Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

57°F

14°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 28 Feb 01:00 AM PST
Extended Forecast for

5 Miles SSW Lake Berryessa CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 78. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 78 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. West southwest wind around 6 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. West southwest wind 5 to 7 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 47. West southwest wind around 6 mph.

    Low: 47 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. Calm wind.
Saturday
Increasing clouds, with a high near 78. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 51. West southwest wind around 6 mph.
Sunday
Partly sunny, with a high near 62. West southwest wind 5 to 7 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47. West southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lake Berryessa CA
 38.5°N 122.28°W (Elev. 1355 ft)
12:26 am PST Feb 28, 2026
1am PST Feb 28, 2026-6pm PST Mar 6, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database