Areas of Heavy to Excessive Rainfall Which May Bring Flooding

An area of thunderstorms and heavy rains may produce flash flooding in the central and southern Plains, specifically southeast Kansas, into the morning. Monsoon moisture will continue to produce areas of heavy rainfall and the potential for flooding and debris flows across the northern Intermountain West. Heavy rain continues across portions of southwest and south-central Alaska. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

59°F

15°C

Humidity 82%
Wind Speed WSW 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Aug 01:30 AM PDT
Extended Forecast for

7 Miles SW Lake Berryessa CA

  • Overnight

    Overnight: Patchy fog before 3am, then patchy fog after 4am.  Otherwise, clear, with a low around 50. Calm wind.

    Low: 50 °F

    Patchy Fog

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog before 3am, then patchy fog after 4am. Otherwise, clear, with a low around 50. Calm wind.
Thursday
Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. West southwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Clear, with a low around 54. West southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 55.
Labor Day
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Lake Berryessa CA
 38.51°N 122.34°W (Elev. 699 ft)
1:26 am PDT Aug 28, 2025
1am PDT Aug 28, 2025-6pm PDT Sep 3, 2025
 
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Additional Resources

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Hourly Weather Forecast

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