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

Severe Thunderstorm Outbreak and Risk of Flooding Today into Tonight

An outbreak of severe thunderstorms is expected from the lower Mississippi Valley toward the lower Ohio Valley this afternoon and evening. Tornadoes, strong to potentially intense, as well as damaging winds and hail are expected. Heavy to excessive rain from training thunderstorms in this area may lead to flooding. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135ft.

Clear

41°F

5°C

Humidity 65%
Wind Speed NW 4 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 24 Mar 07:47 AM PDT
Extended Forecast for

Mount Hamilton CA

Frost Advisory March 25, 04:00am until March 26, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Sunny, with a high near 42. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Sunny

    High: 42 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Northwest wind 13 to 17 mph, with gusts as high as 24 mph.

    Mostly Cloudy

    Low: 29 °F

  • Saturday

    Saturday: Sunny, with a high near 43. North northwest wind 14 to 16 mph, with gusts as high as 24 mph.

    Sunny

    High: 43 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 29. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    Mostly Clear

    Low: 29 °F

  • Sunday

    Sunday: Sunny, with a high near 46. Northwest wind 9 to 11 mph.

    Sunny

    High: 46 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 31.

    Mostly Clear

    Low: 31 °F

  • Monday

    Monday: Partly sunny, with a high near 47.

    Partly Sunny

    High: 47 °F

  • Monday
    Night

    Monday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 36.

    Rain Likely

    Low: 36 °F

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 39.

    Rain

    High: 39 °F

Detailed Forecast

Today
Sunny, with a high near 42. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 29. Northwest wind 13 to 17 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 43. North northwest wind 14 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 29. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 46. Northwest wind 9 to 11 mph.
Sunday Night
Mostly clear, with a low around 31.
Monday
Partly sunny, with a high near 47.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 36.
Tuesday
Rain. Cloudy, with a high near 39.
Tuesday Night
Rain before 2am, then rain and snow likely. Mostly cloudy, with a low around 34.
Wednesday
Rain and snow. Cloudy, with a high near 42.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32.
Thursday
A chance of rain. Partly sunny, with a high near 43.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
4:01 am PDT Mar 24, 2023
Forecast Valid:
8am PDT Mar 24, 2023-6pm PDT Mar 30, 2023
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation