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

Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Current conditions at

Vacaville Nut Tree Airport (KVCB)

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

Clear

63°F

17°C

Humidity 67%
Wind Speed SSW 8 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 07 Jul 10:53 PM PDT
Extended Forecast for

Vacaville CA

  • Tonight

    Tonight: Clear, with a low around 56. Southwest wind 5 to 9 mph.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 56. Southwest wind 5 to 9 mph.
Wednesday
Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 59. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 93. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 61. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vacaville CA
 38.36°N 121.99°W (Elev. 194 ft)
Last Update:
2:00 pm PDT Jul 7, 2026
Forecast Valid:
11pm PDT Jul 7, 2026-6pm PDT Jul 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation