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

Heavy to Excessive Rainfall for the Southwest;

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

64°F

18°C

Humidity 63%
Wind Speed NA 3 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 08 Oct 08:47 PM PDT
Extended Forecast for

Mount Hamilton CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. South southwest wind 6 to 9 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 62. South southwest wind 5 to 7 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Light west southwest wind.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 61. Light west wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. South southwest wind 6 to 9 mph.
Thursday
Sunny, with a high near 62. South southwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 50. Light west southwest wind.
Friday
Sunny, with a high near 61. Light west wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 51. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 46.
Columbus Day
A chance of rain after 11am. Partly sunny, with a high near 55.
Monday Night
A chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 53.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly sunny, with a high near 55.
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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:
2:29 pm PDT Oct 8, 2025
Forecast Valid:
9pm PDT Oct 8, 2025-6pm PDT Oct 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation