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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

38°F

3°C

Humidity 99%
Wind Speed NW 16 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 16 Apr 04:45 AM PDT
Extended Forecast for

7 Miles SSW Brentwood CA

  • Today

    Today: Sunny, with a high near 66. North northwest wind 10 to 17 mph, with gusts as high as 34 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 48. North northwest wind 10 to 16 mph, with gusts as high as 34 mph.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70. North northwest wind around 9 mph, with gusts as high as 21 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. North northwest wind around 6 mph becoming southwest after midnight.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Monday

    Monday: A chance of rain. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 66. North northwest wind 10 to 17 mph, with gusts as high as 34 mph.
Tonight
Clear, with a low around 48. North northwest wind 10 to 16 mph, with gusts as high as 34 mph.
Friday
Sunny, with a high near 70. North northwest wind around 9 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 48. North northwest wind around 6 mph becoming southwest after midnight.
Saturday
Mostly sunny, with a high near 74. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 53.
Monday
A chance of rain. Mostly cloudy, with a high near 63.
Monday Night
A chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Partly sunny, with a high near 62.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Brentwood CA
 37.83°N 121.74°W (Elev. 932 ft)
Last Update:
1:46 am PDT Apr 16, 2026
Forecast Valid:
5am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation