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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

50°F

10°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Apr 02:20 AM PDT
Extended Forecast for

Napa Co. Airport CA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 64. Light and variable wind becoming west 6 to 11 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. West wind 5 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Light west wind becoming southwest 6 to 11 mph in the afternoon.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. West southwest wind 7 to 14 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 64. Light and variable wind becoming west 6 to 11 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. West wind 5 to 10 mph.
Tuesday
Sunny, with a high near 65. Light west wind becoming southwest 6 to 11 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 42. West southwest wind 7 to 14 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A slight chance of rain. Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
Last Update:
1:26 am PDT Apr 13, 2026
Forecast Valid:
2am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation