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

Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

Vacaville Nut Tree Airport (KVCB)

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

Clear

90°F

32°C

Humidity 22%
Wind Speed WSW 4 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 21 May 01:20 PM PDT
Extended Forecast for

Vacaville CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 93. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Light south southwest wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 93. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 89. Light south southwest wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 55. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 80. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 51.
Memorial Day
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vacaville CA
 38.37°N 121.96°W (Elev. 105 ft)
Last Update:
11:31 am PDT May 21, 2026
Forecast Valid:
1pm PDT May 21, 2026-6pm PDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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