National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Clear

61°F

16°C

Humidity 67%
Wind Speed SW 17 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 07:30 PM PDT
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Southwest wind 3 to 7 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78. West southwest wind 5 to 9 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. Southwest wind 3 to 7 mph.
Wednesday
Sunny, with a high near 78. West southwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 49. West southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 51. West southwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
2:06 pm PDT May 12, 2026
Forecast Valid:
7pm PDT May 12, 2026-6pm PDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation