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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Clear

48°F

9°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Jan 09:47 PM PST
Extended Forecast for

Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 60. Northeast wind 3 to 6 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Clear, with a steady temperature around 50. East northeast wind around 6 mph.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. North wind 3 to 6 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46. North wind 3 to 5 mph.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. North wind around 6 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 60. Northeast wind 3 to 6 mph.
Tonight
Clear, with a steady temperature around 50. East northeast wind around 6 mph.
Tuesday
Sunny, with a high near 63. North wind 3 to 6 mph.
Tuesday Night
Clear, with a low around 46. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 62. North wind around 6 mph.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
12:26 am PST Jan 12, 2026
Forecast Valid:
5am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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Chance of Precipitation