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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

63°F

17°C

Humidity 51%
Wind Speed SSW 6 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 10 Mar 01:00 PM PDT
Extended Forecast for

3 Miles SW Napa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. West southwest wind around 6 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. West wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Light northwest wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. West southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 43. West wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. Light northwest wind.
Thursday
Sunny, with a high near 79. Light and variable wind.
Thursday Night
Mostly clear, with a low around 48.
Friday
Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Napa CA
 38.26°N 122.34°W (Elev. 157 ft)
Last Update:
1:26 pm PDT Mar 10, 2026
Forecast Valid:
1pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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