Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

73°F

23°C

Humidity 60%
Wind Speed SSW 12 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Jun 02:00 PM PDT
Extended Forecast for

4 Miles NNW Napa CA

Coastal Flood Advisory June 15, 02:23pm until June 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory June 15, 02:23pm until June 18, 05:00am

    NOW until 5:00am Thu

    Coastal Flood Advisory

  • This Afternoon

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 53. South southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 54. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 8am.  Otherwise, mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Areas of fog after 2am.  Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Areas
    Fog

Detailed Forecast

This Afternoon
Sunny, with a high near 85. South southwest wind around 8 mph.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 53. South southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Tuesday Night
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 54. Southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 53.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79.
Thursday Night
Areas of fog after 2am. Otherwise, partly cloudy, with a low around 53.
Juneteenth
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75.
Friday Night
Widespread fog, mainly between midnight and 5am. Otherwise, mostly clear, with a low around 52.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 78.
Saturday Night
Widespread fog. Otherwise, mostly clear, with a low around 51.
Sunday
Areas of fog. Otherwise, mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Napa CA
 38.35°N 122.33°W (Elev. 105 ft)
1:26 pm PDT Jun 15, 2026
2pm PDT Jun 15, 2026-6pm PDT Jun 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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