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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.

Mostly Cloudy

48°F

9°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 13 Apr 03:00 AM PDT
Extended Forecast for

2 Miles SE Napa Co. Airport CA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. West wind 5 to 9 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. West southwest wind 6 to 13 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 42. Calm wind.
Monday
Sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 43. West wind 5 to 9 mph.
Tuesday
Sunny, with a high near 64. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 44. West southwest wind 6 to 13 mph.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 67.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Napa Co. Airport CA
 38.18°N 122.26°W (Elev. 56 ft)
Last Update:
1:26 am PDT Apr 13, 2026
Forecast Valid:
3am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation