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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

59°F

15°C

Humidity 82%
Wind Speed SSE 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Nov 06:47 PM PST
Extended Forecast for

Mount Hamilton CA

  • Tonight

    Tonight: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 48. Calm wind becoming northeast around 5 mph after midnight.

    Low: 48 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 52. North northwest wind around 6 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely. Cloudy, with a steady temperature around 54. South southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain Likely

  • Sunday

    Sunday: Rain. High near 56. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 45. South wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 48. Calm wind becoming northeast around 5 mph after midnight.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 52. North northwest wind around 6 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain likely. Cloudy, with a steady temperature around 54. South southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 56. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45. South wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
A slight chance of rain after 4pm. Sunny, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Thursday
A chance of rain. Partly sunny, with a high near 53.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46.
Friday
A slight chance of rain. Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.62°W (Elev. 3406 ft)
Last Update:
12:26 pm PST Nov 14, 2025
Forecast Valid:
7pm PST Nov 14, 2025-6pm PST Nov 21, 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