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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

61°F

16°C

Humidity 77%
Wind Speed SSE 9 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 01 Jan 02:47 PM PST
Extended Forecast for

6 Miles NNW Mount Hamilton CA

  • New Year's Day

    New Year's Day: A slight chance of showers and thunderstorms before 4pm, then a slight chance of thunderstorms between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 52. South wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of rain before 7pm. Mostly cloudy, with a steady temperature around 45. South southeast wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Rain likely after 4pm. Increasing clouds, with a high near 51. South southeast wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Partly Sunny
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain. Low around 46. Breezy, with a south southeast wind 23 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain. High near 52. Breezy, with a south southwest wind 23 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 47. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain

  • Sunday

    Sunday: Rain. High near 50. Breezy. Chance of precipitation is 100%.

    High: 50 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

New Year's Day
A slight chance of showers and thunderstorms before 4pm, then a slight chance of thunderstorms between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 52. South wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of rain before 7pm. Mostly cloudy, with a steady temperature around 45. South southeast wind 11 to 14 mph, with gusts as high as 22 mph.
Friday
Rain likely after 4pm. Increasing clouds, with a high near 51. South southeast wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 46. Breezy, with a south southeast wind 23 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. High near 52. Breezy, with a south southwest wind 23 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 47. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 50. Breezy. Chance of precipitation is 100%.
Sunday Night
Rain. Mostly cloudy, with a low around 43.
Monday
Rain likely. Mostly cloudy, with a high near 49.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A slight chance of rain. Partly sunny, with a high near 49.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Thursday
A chance of snow. Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Mount Hamilton CA
 37.43°N 121.69°W (Elev. 3619 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
3pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation