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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Vacaville Nut Tree Airport (KVCB)

Lat: 38.37755°NLon: 121.95853°WElev: 105.0ft.

Mostly Cloudy

73°F

23°C

Humidity 46%
Wind Speed SE 5 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 28 Aug 11:35 AM PDT
Extended Forecast for

2 Miles WSW Vacaville CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 86. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 86 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southwest wind 3 to 6 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 22 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 86. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 60. Southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 87. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 59. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Vacaville CA
 38.36°N 121.99°W (Elev. 194 ft)
Last Update:
11:31 am PDT Aug 28, 2026
Forecast Valid:
11am PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
Forecast Discussion
 
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