Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

41°F

5°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Mar 07:15 AM PDT
Extended Forecast for

Napa CA

  • Today

    Today: Sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 46. Light west wind.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am.  Otherwise, partly sunny, with a high near 77. Calm wind.

    High: 77 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Light and variable wind.
Tonight
Mostly clear, with a low around 48. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind.
Thursday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 46. Light west wind.
Friday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 77. Calm wind.
Friday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
2:53 am PDT Mar 11, 2026
7am PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database