Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. 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 87%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Aug 08:00 AM PDT
Extended Forecast for

6 Miles SE Lake Berryessa CA

Heat Advisory August 21, 10:00am until August 22, 10:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 98. North northwest wind 5 to 7 mph.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 68. Northwest wind 7 to 17 mph, with gusts as high as 21 mph.

    Low: 68 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Light west northwest wind becoming west southwest 6 to 11 mph in the afternoon.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. West wind 10 to 13 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. West wind 5 to 10 mph becoming light and variable.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 98. North northwest wind 5 to 7 mph.
Tonight
Clear, with a low around 68. Northwest wind 7 to 17 mph, with gusts as high as 21 mph.
Thursday
Sunny and hot, with a high near 101. Light west northwest wind becoming west southwest 6 to 11 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64. West wind 10 to 13 mph.
Friday
Sunny and hot, with a high near 101. West wind 5 to 10 mph becoming light and variable.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 93.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
1:49 am PDT Aug 20, 2025
8am PDT Aug 20, 2025-6pm PDT Aug 26, 2025
 
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Additional Resources

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