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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Vacaville Nut Tree Airport (KVCB)

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

Clear

59°F

15°C

Humidity 83%
Wind Speed SSW 14 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Aug 01:53 AM PDT
Extended Forecast for

Vacaville CA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 64. Southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 79. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 79 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 64. Southwest wind around 8 mph, with gusts as high as 18 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 79. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 60. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 84. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 60. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Sunny, with a high near 89.
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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 am PDT Aug 14, 2026
Forecast Valid:
2am PDT Aug 14, 2026-6pm PDT Aug 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation