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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

57°F

14°C

Humidity 82%
Wind Speed SE 12 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 01 Jan 09:47 PM PST
Extended Forecast for

Mount Hamilton CA

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a low around 43. South southeast wind around 14 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain after 4pm. High near 51. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Breezy.
    Partly Sunny
    then Rain

  • Friday Night

    Friday Night: Rain. Steady temperature around 50. Breezy, with a south southeast wind 23 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain. High near 51. Breezy, with a south wind 16 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: 51 °F

    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 46. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain. High near 49. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 43. South southeast wind around 14 mph, with gusts as high as 23 mph.
Friday
Rain after 4pm. High near 51. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Steady temperature around 50. Breezy, with a south southeast wind 23 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain. High near 51. Breezy, with a south wind 16 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 46. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 49. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 43. Chance of precipitation is 80%.
Monday
Rain likely. Mostly cloudy, with a high near 48.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Tuesday
A slight chance of rain before 10am. Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A chance of rain. Partly sunny, with a high near 48.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Thursday
A slight chance of rain. Sunny, with a high near 47.
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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:
2:04 am PST Jan 2, 2026
Forecast Valid:
3am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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