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

Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday

A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

54°F

12°C

Humidity 93%
Wind Speed SSW 6 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 May 01:20 AM PDT
Extended Forecast for

Napa CA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 50. South southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 50 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 73. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 73 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 50. Southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 50. Calm wind.
Friday
Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 50. South southwest wind 5 to 8 mph becoming calm after midnight.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 73. Calm wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 50. Southwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 49.
Memorial Day
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
1:26 am PDT May 22, 2026
Forecast Valid:
1am PDT May 22, 2026-6pm PDT May 28, 2026
 
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Additional Resources

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