Lookup NWS Hourly Forecast using ZIP Code


Each hour in this forecast contains an indicator of how accurate the forecast has been.
The values range from 98% to 70% accuracy seven days out. The darker the gray background
the less accurate the forecast has been. These percentages are based on the historical performance of this forecast model.

ZIP Code:

Forecast for Union located in Boone County, Kentucky
Latitude: 38.938238 , Longitude: -84.753014

Forecast Updated Monday 5/18/2026 4:00:00 PM EDT

Period Date/Time Forecast Temperature Dew Point RH Wind
1 5/18 7:00 PM
Monday
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Mostly Cloudy
82°F 65°F 56% SW 8 mph
2 5/18 8:00 PM
Monday
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Slight Chance Showers And Thunderstorms
81°F 66°F 60% SW 7 mph
3 5/18 9:00 PM
Monday
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Slight Chance Showers And Thunderstorms
78°F 65°F 65% SW 5 mph
4 5/18 10:00 PM
Monday
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Mostly Cloudy
76°F 65°F 67% S 5 mph
5 5/18 11:00 PM
Monday
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Mostly Cloudy
74°F 63°F 69% SW 6 mph
6 5/19 12:00 AM
Tuesday
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Mostly Cloudy
74°F 63°F 69% SW 6 mph
7 5/19 1:00 AM
Tuesday
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Slight Chance Rain Showers
74°F 63°F 68% S 7 mph
8 5/19 2:00 AM
Tuesday
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Mostly Cloudy
73°F 62°F 68% S 7 mph
9 5/19 3:00 AM
Tuesday
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Mostly Cloudy
73°F 62°F 70% S 7 mph
10 5/19 4:00 AM
Tuesday
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Mostly Cloudy
72°F 62°F 72% S 7 mph
11 5/19 5:00 AM
Tuesday
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Mostly Cloudy
72°F 63°F 74% S 8 mph
12 5/19 6:00 AM
Tuesday
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Mostly Sunny
72°F 63°F 74% S 8 mph
13 5/19 7:00 AM
Tuesday
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Mostly Sunny
71°F 63°F 77% S 8 mph
14 5/19 8:00 AM
Tuesday
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Mostly Sunny
72°F 64°F 76% S 9 mph
15 5/19 9:00 AM
Tuesday
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Mostly Sunny
74°F 65°F 74% SW 9 mph
16 5/19 10:00 AM
Tuesday
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Sunny
77°F 66°F 69% SW 10 mph
17 5/19 11:00 AM
Tuesday
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Mostly Sunny
80°F 67°F 65% SW 12 mph
18 5/19 12:00 PM
Tuesday
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Mostly Sunny
82°F 68°F 62% SW 12 mph
19 5/19 1:00 PM
Tuesday
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Slight Chance Rain Showers
85°F 68°F 58% SW 13 mph
20 5/19 2:00 PM
Tuesday
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Chance Showers And Thunderstorms
85°F 67°F 55% SW 15 mph
21 5/19 3:00 PM
Tuesday
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Chance Showers And Thunderstorms
86°F 67°F 55% SW 14 mph
22 5/19 4:00 PM
Tuesday
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Chance Showers And Thunderstorms
87°F 67°F 53% SW 14 mph
23 5/19 5:00 PM
Tuesday
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Chance Showers And Thunderstorms
85°F 67°F 55% SW 14 mph
24 5/19 6:00 PM
Tuesday
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Showers And Thunderstorms Likely
85°F 67°F 55% SW 13 mph
25 5/19 7:00 PM
Tuesday
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Chance Showers And Thunderstorms
84°F 67°F 57% S 13 mph
26 5/19 8:00 PM
Tuesday
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Chance Showers And Thunderstorms
81°F 67°F 63% SW 9 mph
27 5/19 9:00 PM
Tuesday
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Showers And Thunderstorms
78°F 67°F 70% SW 8 mph
28 5/19 10:00 PM
Tuesday
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Chance Showers And Thunderstorms
76°F 67°F 74% SW 7 mph
29 5/19 11:00 PM
Tuesday
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Showers And Thunderstorms Likely
74°F 66°F 77% W 6 mph
30 5/20 12:00 AM
Wednesday
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Showers And Thunderstorms Likely
73°F 66°F 81% SW 6 mph
31 5/20 1:00 AM
Wednesday
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Showers And Thunderstorms
72°F 66°F 85% W 6 mph
32 5/20 2:00 AM
Wednesday
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Showers And Thunderstorms
70°F 65°F 86% SW 5 mph
33 5/20 3:00 AM
Wednesday
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Showers And Thunderstorms
70°F 65°F 88% SW 5 mph
34 5/20 4:00 AM
Wednesday
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Showers And Thunderstorms
69°F 65°F 91% W 5 mph
35 5/20 5:00 AM
Wednesday
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Showers And Thunderstorms
68°F 65°F 93% W 5 mph
36 5/20 6:00 AM
Wednesday
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Showers And Thunderstorms
67°F 65°F 95% W 5 mph
37 5/20 7:00 AM
Wednesday
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Showers And Thunderstorms
66°F 65°F 98% SW 6 mph
38 5/20 8:00 AM
Wednesday
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Showers And Thunderstorms
66°F 65°F 98% W 6 mph
39 5/20 9:00 AM
Wednesday
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Showers And Thunderstorms
65°F 65°F 100% N 6 mph
40 5/20 10:00 AM
Wednesday
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Showers And Thunderstorms
66°F 65°F 99% N 6 mph
41 5/20 11:00 AM
Wednesday
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Showers And Thunderstorms
68°F 65°F 91% N 7 mph
42 5/20 12:00 PM
Wednesday
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Showers And Thunderstorms
70°F 65°F 85% N 7 mph
43 5/20 1:00 PM
Wednesday
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Showers And Thunderstorms
71°F 64°F 80% N 8 mph
44 5/20 2:00 PM
Wednesday
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Chance Showers And Thunderstorms
71°F 63°F 76% N 8 mph
45 5/20 3:00 PM
Wednesday
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Chance Showers And Thunderstorms
71°F 62°F 73% N 8 mph
46 5/20 4:00 PM
Wednesday
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Chance Showers And Thunderstorms
71°F 61°F 71% N 8 mph
47 5/20 5:00 PM
Wednesday
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Chance Rain Showers
70°F 60°F 70% N 8 mph
48 5/20 6:00 PM
Wednesday
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Chance Rain Showers
69°F 59°F 70% N 8 mph
49 5/20 7:00 PM
Wednesday
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Chance Rain Showers
69°F 58°F 69% NE 8 mph
50 5/20 8:00 PM
Wednesday
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Mostly Cloudy
68°F 57°F 69% NE 8 mph
51 5/20 9:00 PM
Wednesday
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Mostly Cloudy
67°F 56°F 70% NE 8 mph
52 5/20 10:00 PM
Wednesday
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Mostly Cloudy
65°F 54°F 69% NE 8 mph
53 5/20 11:00 PM
Wednesday
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Mostly Cloudy
63°F 53°F 72% NE 8 mph
54 5/21 12:00 AM
Thursday
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Mostly Cloudy
62°F 52°F 72% NE 8 mph
55 5/21 1:00 AM
Thursday
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Mostly Cloudy
60°F 51°F 72% NE 8 mph
56 5/21 2:00 AM
Thursday
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Slight Chance Rain Showers
59°F 50°F 72% NE 8 mph
57 5/21 3:00 AM
Thursday
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Slight Chance Rain Showers
57°F 49°F 73% NE 8 mph
58 5/21 4:00 AM
Thursday
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Slight Chance Rain Showers
56°F 47°F 72% NE 9 mph
59 5/21 5:00 AM
Thursday
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Slight Chance Rain Showers
54°F 46°F 73% NE 9 mph
60 5/21 6:00 AM
Thursday
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Slight Chance Rain Showers
53°F 45°F 73% NE 9 mph
61 5/21 7:00 AM
Thursday
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Slight Chance Rain Showers
53°F 43°F 70% NE 10 mph
62 5/21 8:00 AM
Thursday
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Partly Sunny
53°F 43°F 69% NE 10 mph
63 5/21 9:00 AM
Thursday
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Partly Sunny
54°F 44°F 68% NE 10 mph
64 5/21 10:00 AM
Thursday
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Partly Sunny
56°F 45°F 66% NE 9 mph
65 5/21 11:00 AM
Thursday
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Partly Sunny
58°F 46°F 64% NE 9 mph
66 5/21 12:00 PM
Thursday
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Partly Sunny
60°F 47°F 61% NE 9 mph
67 5/21 1:00 PM
Thursday
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Partly Sunny
63°F 47°F 57% NE 8 mph
68 5/21 2:00 PM
Thursday
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Slight Chance Rain Showers
65°F 48°F 55% NE 8 mph
69 5/21 3:00 PM
Thursday
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Slight Chance Rain Showers
67°F 48°F 52% NE 8 mph
70 5/21 4:00 PM
Thursday
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Slight Chance Rain Showers
68°F 49°F 51% E 8 mph
71 5/21 5:00 PM
Thursday
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Slight Chance Rain Showers
69°F 49°F 50% E 8 mph
72 5/21 6:00 PM
Thursday
Icon
Slight Chance Rain Showers
69°F 49°F 50% E 8 mph
73 5/21 7:00 PM
Thursday
Icon
Slight Chance Rain Showers
68°F 50°F 53% E 7 mph
74 5/21 8:00 PM
Thursday
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Mostly Cloudy
66°F 50°F 56% E 7 mph
75 5/21 9:00 PM
Thursday
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Mostly Cloudy
64°F 49°F 58% E 7 mph
76 5/21 10:00 PM
Thursday
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Mostly Cloudy
62°F 48°F 60% E 7 mph
77 5/21 11:00 PM
Thursday
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Mostly Cloudy
61°F 48°F 62% E 7 mph
78 5/22 12:00 AM
Friday
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Mostly Cloudy
60°F 48°F 64% E 7 mph
79 5/22 1:00 AM
Friday
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Mostly Cloudy
60°F 48°F 65% E 6 mph
80 5/22 2:00 AM
Friday
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Chance Rain Showers
59°F 48°F 67% E 6 mph
81 5/22 3:00 AM
Friday
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Chance Rain Showers
58°F 48°F 70% E 6 mph
82 5/22 4:00 AM
Friday
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Chance Rain Showers
57°F 49°F 74% E 7 mph
83 5/22 5:00 AM
Friday
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Chance Rain Showers
57°F 50°F 77% E 7 mph
84 5/22 6:00 AM
Friday
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Chance Rain Showers
57°F 51°F 81% E 7 mph
85 5/22 7:00 AM
Friday
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Chance Rain Showers
57°F 52°F 84% E 7 mph
86 5/22 8:00 AM
Friday
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Rain Showers
58°F 54°F 87% E 7 mph
87 5/22 9:00 AM
Friday
Icon
Rain Showers
60°F 56°F 88% E 7 mph
88 5/22 10:00 AM
Friday
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Rain Showers
62°F 59°F 88% E 7 mph
89 5/22 11:00 AM
Friday
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Rain Showers
65°F 61°F 87% E 7 mph
90 5/22 12:00 PM
Friday
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Rain Showers
67°F 63°F 86% E 7 mph
91 5/22 1:00 PM
Friday
Icon
Rain Showers
69°F 64°F 85% SE 7 mph
92 5/22 2:00 PM
Friday
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Showers And Thunderstorms
70°F 65°F 84% SE 7 mph
93 5/22 3:00 PM
Friday
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Showers And Thunderstorms
71°F 66°F 82% SE 7 mph
94 5/22 4:00 PM
Friday
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Showers And Thunderstorms
72°F 66°F 80% S 7 mph
95 5/22 5:00 PM
Friday
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Showers And Thunderstorms
73°F 66°F 79% S 7 mph
96 5/22 6:00 PM
Friday
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Showers And Thunderstorms
73°F 66°F 79% S 7 mph
97 5/22 7:00 PM
Friday
Icon
Showers And Thunderstorms
73°F 66°F 80% S 8 mph
98 5/22 8:00 PM
Friday
Icon
Showers And Thunderstorms
72°F 66°F 81% S 8 mph
99 5/22 9:00 PM
Friday
Icon
Showers And Thunderstorms
71°F 65°F 83% S 8 mph
100 5/22 10:00 PM
Friday
Icon
Showers And Thunderstorms
69°F 65°F 85% S 8 mph
101 5/22 11:00 PM
Friday
Icon
Showers And Thunderstorms
68°F 64°F 87% S 8 mph
102 5/23 12:00 AM
Saturday
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Showers And Thunderstorms
67°F 64°F 87% S 8 mph
103 5/23 1:00 AM
Saturday
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Showers And Thunderstorms
67°F 63°F 87% S 8 mph
104 5/23 2:00 AM
Saturday
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Showers And Thunderstorms Likely
67°F 63°F 87% S 8 mph
105 5/23 3:00 AM
Saturday
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Showers And Thunderstorms Likely
66°F 63°F 89% S 8 mph
106 5/23 4:00 AM
Saturday
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Showers And Thunderstorms Likely
66°F 63°F 91% SW 9 mph
107 5/23 5:00 AM
Saturday
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Showers And Thunderstorms Likely
65°F 63°F 93% SW 9 mph
108 5/23 6:00 AM
Saturday
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Showers And Thunderstorms Likely
65°F 63°F 95% SW 9 mph
109 5/23 7:00 AM
Saturday
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Showers And Thunderstorms Likely
64°F 63°F 96% SW 8 mph
110 5/23 8:00 AM
Saturday
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Rain Showers Likely
65°F 64°F 97% SW 8 mph
111 5/23 9:00 AM
Saturday
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Rain Showers Likely
66°F 65°F 95% SW 8 mph
112 5/23 10:00 AM
Saturday
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Rain Showers Likely
68°F 66°F 93% SW 9 mph
113 5/23 11:00 AM
Saturday
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Rain Showers Likely
70°F 67°F 90% SW 9 mph
114 5/23 12:00 PM
Saturday
Icon
Rain Showers Likely
72°F 68°F 87% SW 9 mph
115 5/23 1:00 PM
Saturday
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Rain Showers Likely
73°F 68°F 85% SW 8 mph
116 5/23 2:00 PM
Saturday
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Showers And Thunderstorms Likely
74°F 68°F 82% SW 8 mph
117 5/23 3:00 PM
Saturday
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Showers And Thunderstorms Likely
75°F 68°F 79% SW 8 mph
118 5/23 4:00 PM
Saturday
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Showers And Thunderstorms Likely
76°F 67°F 76% SW 7 mph
119 5/23 5:00 PM
Saturday
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Showers And Thunderstorms Likely
76°F 67°F 74% SW 7 mph
120 5/23 6:00 PM
Saturday
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Showers And Thunderstorms Likely
77°F 67°F 72% SW 6 mph
121 5/23 7:00 PM
Saturday
Icon
Showers And Thunderstorms Likely
77°F 66°F 71% SW 6 mph
122 5/23 8:00 PM
Saturday
Icon
Chance Showers And Thunderstorms
76°F 66°F 71% SW 5 mph
123 5/23 9:00 PM
Saturday
Icon
Chance Showers And Thunderstorms
74°F 65°F 75% SW 5 mph
124 5/23 10:00 PM
Saturday
Icon
Chance Showers And Thunderstorms
71°F 65°F 80% SW 5 mph
125 5/23 11:00 PM
Saturday
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Chance Showers And Thunderstorms
69°F 64°F 84% S 5 mph
126 5/24 12:00 AM
Sunday
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Chance Showers And Thunderstorms
68°F 63°F 85% S 5 mph
127 5/24 1:00 AM
Sunday
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Chance Showers And Thunderstorms
67°F 62°F 84% S 3 mph
128 5/24 2:00 AM
Sunday
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Chance Showers And Thunderstorms
67°F 62°F 84% S 3 mph
129 5/24 3:00 AM
Sunday
Icon
Chance Showers And Thunderstorms
66°F 62°F 87% S 3 mph
130 5/24 4:00 AM
Sunday
Icon
Chance Showers And Thunderstorms
66°F 63°F 90% S 5 mph
131 5/24 5:00 AM
Sunday
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Chance Showers And Thunderstorms
65°F 63°F 93% S 5 mph
132 5/24 6:00 AM
Sunday
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Chance Showers And Thunderstorms
64°F 63°F 96% S 5 mph
133 5/24 7:00 AM
Sunday
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Chance Showers And Thunderstorms
64°F 63°F 97% S 5 mph
134 5/24 8:00 AM
Sunday
Icon
Chance Rain Showers
65°F 64°F 97% S 5 mph
135 5/24 9:00 AM
Sunday
Icon
Chance Rain Showers
67°F 65°F 94% S 5 mph
136 5/24 10:00 AM
Sunday
Icon
Chance Rain Showers
70°F 67°F 89% SW 5 mph
137 5/24 11:00 AM
Sunday
Icon
Chance Rain Showers
73°F 68°F 84% SW 5 mph
138 5/24 12:00 PM
Sunday
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Chance Rain Showers
75°F 68°F 80% SW 5 mph
139 5/24 1:00 PM
Sunday
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Chance Rain Showers
77°F 68°F 75% SW 6 mph
140 5/24 2:00 PM
Sunday
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Chance Showers And Thunderstorms
78°F 68°F 71% SW 6 mph
141 5/24 3:00 PM
Sunday
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Chance Showers And Thunderstorms
79°F 68°F 68% SW 6 mph
142 5/24 4:00 PM
Sunday
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Chance Showers And Thunderstorms
80°F 67°F 66% SW 5 mph
143 5/24 5:00 PM
Sunday
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Chance Showers And Thunderstorms
80°F 67°F 65% SW 5 mph
144 5/24 6:00 PM
Sunday
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Chance Showers And Thunderstorms
80°F 67°F 65% SW 5 mph
145 5/24 7:00 PM
Sunday
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Chance Showers And Thunderstorms
79°F 67°F 66% SW 3 mph
146 5/24 8:00 PM
Sunday
Icon
Chance Rain Showers
78°F 67°F 69% SW 3 mph
147 5/24 9:00 PM
Sunday
Icon
Chance Rain Showers
75°F 66°F 74% SW 3 mph
148 5/24 10:00 PM
Sunday
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Chance Rain Showers
73°F 66°F 79% SW 3 mph
149 5/24 11:00 PM
Sunday
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Chance Rain Showers
70°F 65°F 84% SW 3 mph
150 5/25 12:00 AM
Monday
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Chance Rain Showers
69°F 64°F 85% S 3 mph
151 5/25 1:00 AM
Monday
Icon
Chance Rain Showers
68°F 64°F 85% S 3 mph
152 5/25 2:00 AM
Monday
Icon
Chance Rain Showers
68°F 63°F 84% S 3 mph
153 5/25 3:00 AM
Monday
Icon
Chance Rain Showers
67°F 62°F 86% S 3 mph
154 5/25 4:00 AM
Monday
Icon
Chance Rain Showers
66°F 62°F 88% S 3 mph
155 5/25 5:00 AM
Monday
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Chance Rain Showers
65°F 62°F 90% S 3 mph
156 5/25 6:00 AM
Monday
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Chance Rain Showers
65°F 62°F 92% S 3 mph

ZIP Code File Updated: 5/1/2026 3:17:36 PM
Database Loaded: 5/1/2026 3:38:08 PM with 41,141 Records

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