Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Vacaville Nut Tree Airport (KVCB)

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

Clear

92°F

33°C

Humidity 27%
Wind Speed SSE 8 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 27 Aug 12:53 PM PDT
Extended Forecast for

Vacaville CASimilar City Names

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 97. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 97 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 68. Southwest wind 5 to 7 mph.

    Low: 68 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 86. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Southwest wind 5 to 8 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °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

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 97. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 68. Southwest wind 5 to 7 mph.
Friday
Partly sunny, with a high near 86. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 61. Southwest wind 5 to 8 mph.
Saturday
Sunny, with a high near 87. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Vacaville CASimilar City Names
 38.36°N 121.99°W (Elev. 194 ft)
11:31 am PDT Aug 27, 2026
1pm PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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