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
59°F
15°C
| Humidity | 87% |
| Wind Speed | SW 8 MPH |
| Barometer | 29.87 in (1011.51 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 9.00 mi |
| Last update | 02 Aug 05:00 AM PDT |
Extended Forecast for
5 Miles W Napa Co. Airport CA
Today
High: 91 °F
Sunny
Tonight
Low: 57 °F
Mostly Clear
Monday
High: 88 °F
Sunny
Monday Night
Low: 56 °F
Mostly Clear
Tuesday
High: 82 °F
Sunny
Tuesday Night
Low: 55 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 55 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 91. Calm wind becoming south southwest 5 to 9 mph in the morning.
Tonight
Mostly clear, with a low around 57. Southwest wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. South southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 87.
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)
2:34 am PDT Aug 2, 2026
5am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
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