Hour-by-hour Forecast in Napa — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
53
57
61
65
69
73
77
81
85
89
93
97
Thursday, August 28, 2025
4 pm
85
7
5 pm
84
7
6 pm
80
7
7 pm
75
6
8 pm
70
6
9 pm
64
6
10 pm
63
5
11 pm
60
5
Friday, August 29, 2025
12 am
59
4
1 am
58
4
2 am
58
4
3 am
57
4
4 am
56
4
5 am
56
4
6 am
55
4
7 am
55
4
8 am
57
3
9 am
62
4
10 am
67
4
11 am
72
5
12 pm
76
6
1 pm
80
7
2 pm
84
7
3 pm
86
8
4 pm
86
8
5 pm
84
8
6 pm
82
7
7 pm
78
6
8 pm
72
5
9 pm
66
5
10 pm
64
4
11 pm
62
4
Saturday, August 30, 2025
12 am
60
4
1 am
59
4
2 am
58
4
3 am
58
3
4 am
57
3
5 am
56
3
6 am
55
3
7 am
55
2
8 am
58
2
9 am
64
2
10 am
71
3
11 am
76
4
12 pm
81
5
1 pm
85
6
2 pm
89
7
3 pm
91
7
4 pm
92
7
5 pm
90
7
6 pm
87
6
7 pm
83
5
8 pm
76
4
9 pm
69
4
10 pm
67
4
11 pm
65
4
Sunday, August 31, 2025
12 am
63
4
1 am
61
4
2 am
60
4
3 am
58
4
4 am
57
4
5 am
56
3
6 am
55
3
7 am
56
3
8 am
59
2
9 am
65
3
10 am
72
3
11 am
76
4
12 pm
81
5
1 pm
85
7
2 pm
89
8
3 pm
90
7
4 pm
90
7
5 pm
88
7
6 pm
85
6
7 pm
80
5
8 pm
73
4
9 pm
66
4
10 pm
65
4
11 pm
62
4
Monday, September 1, 2025
12 am
61
4
1 am
59
4
2 am
58
3
3 am
57
3
4 am
56
3
5 am
56
3
6 am
55
3
7 am
55
2
8 am
59
2
9 am
65
2
10 am
71
3
11 am
76
4
12 pm
81
5
1 pm
85
6
2 pm
88
7
3 pm
89
7
4 pm
89
6
5 pm
88
6
6 pm
84
5
7 pm
79
5
8 pm
73
4
9 pm
66
4
10 pm
64
3
11 pm
62
3
Tuesday, September 2, 2025
12 am
60
3
1 am
59
3
2 am
58
3
3 am
58
2
4 am
58
2
5 am
57
2
6 am
57
2
7 am
57
2
8 am
61
2
9 am
67
2
10 am
74
3
11 am
79
4
12 pm
83
5
1 pm
88
5
2 pm
92
5
3 pm
94
6
4 pm
95
6
5 pm
92
7
6 pm
88
6
7 pm
80
5
8 pm
74
4
9 pm
66
3
10 pm
65
3
11 pm
63
4
Wednesday, September 3, 2025
12 am
60
3
1 am
58
3
2 am
58
2
3 am
58
2
4 am
57
2
5 am
57
2
6 am
57
2
7 am
58
1
8 am
63
1
9 am
70
1
10 am
80
2
11 am
88
3
12 pm
91
4
1 pm
94
5
2 pm
97
7
3 pm
98
7
4 pm
96
7
5 pm
93
8
6 pm
89
6
7 pm
84
5
8 pm
76
3
9 pm
67
3
10 pm
67
3
11 pm
64
3
Thursday, September 4, 2025
12 am
62
3
1 am
60
3
2 am
59
3
3 am
59
3
4 am
58
2
5 am
58
3
6 am
58
2
7 am
59
1
8 am
64
1
9 am
71
2
10 am
78
3
Thu, Aug 28 at 4:00 pm
85 °F
Sunny.
Feels Like: 84 °F
Humidity: 36%
Precipitation: Rain: 0 Snow: 0
Precipitation Chance: 10%
SSW
Wind: 7 mph
Detailed Hourly Forecast — Next 24 hours
Scroll right to see more
| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 4:00 pm Thu, Aug 28 |  | 85 °F | Sunny. | 84 °F | 7 mph | ↑ | 36% | 10% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm | | 84 °F | Sunny. | 83 °F | 7 mph | ↑ | 38% | 10% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm | | 80 °F | Sunny. | 80 °F | 7 mph | ↑ | 43% | 10% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 75 °F | Sunny. | 78 °F | 6 mph | ↑ | 50% | 10% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm |  | 70 °F | Clear. | 70 °F | 6 mph | ↑ | 60% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 64 °F | Clear. | 64 °F | 6 mph | ↑ | 74% | 8% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 63 °F | Clear. | 63 °F | 5 mph | ↑ | 77% | 8% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 60 °F | Clear. | 60 °F | 5 mph | ↑ | 83% | 9% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Fri, Aug 29 | | 59 °F | Clear. | 59 °F | 4 mph | ↑ | 84% | 8% | 0.00" (snow) 0.00" (rain) |
| 1:00 am |  | 58 °F | Mostly clear. | 58 °F | 4 mph | ↑ | 85% | 4% | 0.00" (snow) 0.00" (rain) |
| 2:00 am |  | 58 °F | Scattered clouds. | 58 °F | 4 mph | ↑ | 87% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am | | 57 °F | Scattered clouds. | 57 °F | 4 mph | ↑ | 87% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 56 °F | Scattered clouds. | 56 °F | 4 mph | ↑ | 88% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 56 °F | Light fog. | 56 °F | 4 mph | ↑ | 89% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 55 °F | Partly cloudy. | 55 °F | 4 mph | ↑ | 91% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 am |  | 55 °F | Scattered clouds. | 55 °F | 4 mph | ↑ | 92% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 am | | 57 °F | Scattered clouds. | 58 °F | 3 mph | ↑ | 86% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 62 °F | Scattered clouds. | 62 °F | 4 mph | ↑ | 74% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 am |  | 67 °F | Broken clouds. | 67 °F | 4 mph | ↑ | 62% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 am |  | 72 °F | Cloudy. | 77 °F | 5 mph | ↑ | 54% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 76 °F | Broken clouds. | 78 °F | 6 mph | ↑ | 46% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 80 °F | Scattered clouds. | 80 °F | 7 mph | ↑ | 40% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm | | 84 °F | Mostly sunny. | 83 °F | 7 mph | ↑ | 35% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm | | 86 °F | Mostly sunny. | 84 °F | 8 mph | ↑ | 33% | 0% | 0.00" (snow) 0.00" (rain) |
| * Updated Thursday, August 28, 2025 12:42:33 pm Napa time - Weather by CustomWeather, © 2025 | |||||||||