Heat Builds in the West; Extremely Critical Fire Weather in the Northwest
A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
70°F
21°C
| Humidity | 68% |
| Wind Speed | S 4 MPH |
| Barometer | 29.86 in (1011.18 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 01 Aug 08:35 PM PDT |
Extended Forecast for
5 Miles W Napa Co. Airport CA
Tonight
Low: 57 °F
Clear
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 56 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 55 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 54 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 54 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 57. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 90. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 87. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 55. South southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles W Napa Co. Airport CA
38.21°N 122.38°W (Elev. 3 ft)
38.21°N 122.38°W (Elev. 3 ft)
8:32 pm PDT Aug 1, 2026
8pm PDT Aug 1, 2026-6pm PDT Aug 8, 2026
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