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Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

50°F

10°C

Humidity 66%
Wind Speed NW 20 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Feb 12:47 PM PST
Extended Forecast for

Mount Hamilton CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am
Click here for hazard details and duration
Extreme Cold Warning

  • This Afternoon

    This Afternoon: A chance of rain and snow before 2pm. Mostly cloudy, with a high near 38. West northwest wind 18 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. Total daytime snow accumulation of around an inch possible.

    High: 38 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Widespread frost between 11pm and 3am. Otherwise, partly cloudy, with a low around 29. West northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Frost

  • Friday

    Friday: Partly sunny, with a high near 42. West wind 3 to 5 mph.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: Widespread frost, mainly between 10pm and 2am. Otherwise, mostly clear, with a low around 32. East southeast wind 3 to 7 mph.

    Low: 32 °F

    Frost

  • Saturday

    Saturday: Mostly sunny, with a high near 48. South wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am. Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 10am. Mostly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain, mainly after 10am. Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

This Afternoon
A chance of rain and snow before 2pm. Mostly cloudy, with a high near 38. West northwest wind 18 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. Total daytime snow accumulation of around an inch possible.
Tonight
Widespread frost between 11pm and 3am. Otherwise, partly cloudy, with a low around 29. West northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 42. West wind 3 to 5 mph.
Friday Night
Widespread frost, mainly between 10pm and 2am. Otherwise, mostly clear, with a low around 32. East southeast wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 48. South wind 10 to 13 mph, with gusts as high as 24 mph.
Saturday Night
A 10 percent chance of rain after 4am. Partly cloudy, with a low around 39.
Sunday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 56.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain, mainly after 10am. Partly sunny, with a high near 59.
Monday Night
Rain, mainly after 10pm. Mostly cloudy, with a low around 50.
Tuesday
Rain. Mostly cloudy, with a high near 55.
Tuesday Night
Rain likely. Cloudy, with a low around 49.
Wednesday
Rain likely. Mostly cloudy, with a high near 57.
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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 pm PST Feb 19, 2026
Forecast Valid:
1pm PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation