Severe Thunderstorms and Critical Fire Weather Wednesday
Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Rain
55°F
13°C
| Humidity | 87% |
| Wind Speed | SW 9 MPH |
| Barometer | 29.96 in (1014.56 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 12 May 10:35 PM PDT |
Extended Forecast for
3 Miles NNE Hercules CA
Tonight
Low: 54 °F
Mostly Clear
Wednesday
High: 73 °F
Sunny
Wednesday Night
Low: 52 °F
Mostly Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 53 °F
Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 54 °F
Clear
Saturday
High: 75 °F
Sunny
Saturday Night
Low: 53 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 54. Southwest wind around 10 mph.
Wednesday
Sunny, with a high near 73. West southwest wind around 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 52. Southwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 79. Light southwest wind becoming west southwest 5 to 10 mph in the morning.
Thursday Night
Clear, with a low around 53. Southwest wind 6 to 10 mph.
Friday
Sunny, with a high near 80.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 79.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Hercules CA
38.05°N 122.25°W (Elev. 56 ft)
38.05°N 122.25°W (Elev. 56 ft)
9:22 pm PDT May 12, 2026
10pm PDT May 12, 2026-6pm PDT May 19, 2026
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