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 >

Hazardous Weather Conditions

Current conditions at

San Jose, San Jose International Airport (KSJC)

Lat: 37.35917°NLon: 121.92417°WElev: 59.0ft.

Overcast

61°F

16°C

Humidity 82%
Wind Speed SE 9 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 01 Jan 01:35 PM PST
Extended Forecast for

5 Miles N Milpitas CA

Wind Advisory January 2, 01:00pm until January 3, 01:00pm
Click here for hazard details and duration
Wind Advisory

  • New Year's Day

    New Year's Day: A chance of showers and thunderstorms, mainly before 3pm, then a slight chance of rain and thunderstorms after 4pm. Mostly cloudy, with a high near 53. South wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Mostly cloudy, with a steady temperature around 51. South southeast wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Rain likely after 4pm. Increasing clouds, with a high near 55. South wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Partly Sunny
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain. Low around 51. Breezy, with a south southeast wind around 29 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain. High near 54. Breezy, with a south wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Sunday

    Sunday: Rain. High near 52. Chance of precipitation is 100%.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

  • Monday

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

    High: 48 °F

    Rain Likely

Detailed Forecast

New Year's Day
A chance of showers and thunderstorms, mainly before 3pm, then a slight chance of rain and thunderstorms after 4pm. Mostly cloudy, with a high near 53. South wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of rain before 10pm. Mostly cloudy, with a steady temperature around 51. South southeast wind 15 to 18 mph, with gusts as high as 30 mph.
Friday
Rain likely after 4pm. Increasing clouds, with a high near 55. South wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 51. Breezy, with a south southeast wind around 29 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. High near 54. Breezy, with a south wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 52. Chance of precipitation is 100%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
Rain likely. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 42.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A slight chance of rain. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Milpitas CA
 37.52°N 121.88°W (Elev. 1719 ft)
Last Update:
12:32 pm PST Jan 1, 2026
Forecast Valid:
1pm PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation