Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

haze

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 43°F (6°C)
Visibility 8.00 mi
Last update 06 Dec 09:50 PM PST
Extended Forecast for

Mount Hamilton CA

  • Tonight

    Tonight: Mostly clear, with a low around 44. Light north northeast wind.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. Northeast wind around 5 mph becoming light and variable  in the afternoon.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Light north wind.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Northwest wind 3 to 5 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Light north wind.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 44. Light north northeast wind.
Monday
Sunny, with a high near 59. Northeast wind around 5 mph becoming light and variable in the afternoon.
Monday Night
Mostly clear, with a low around 47. Light north wind.
Tuesday
Sunny, with a high near 61. Northwest wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 48. Light north wind.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 63.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
12:41 pm PST Dec 7, 2025
4pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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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