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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Clear

37°F

3°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 30 Dec 05:20 AM PST
Extended Forecast for

Santa Clara CA

  • Today

    Today: Mostly cloudy, with a high near 60. Northwest wind 3 to 5 mph.

    High: 60 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain after 4am. Cloudy, with a low around 45. West northwest wind 3 to 5 mph.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Patchy fog after 5pm. Otherwise, cloudy, with a high near 57. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain. Areas of fog before 1am. Low around 50. East southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain and
    Areas Fog

  • New Year's Day

    New Year's Day: Rain. Patchy fog before 1pm, then patchy fog after 4pm. High near 62. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain likely. Patchy fog before 7pm. Otherwise, cloudy, with a low around 54. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: Rain likely. Cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain. Cloudy, with a low around 48.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: Rain likely. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 58.

    High: 58 °F

    Rain Likely
    and Patchy
    Fog

Detailed Forecast

Today
Mostly cloudy, with a high near 60. Northwest wind 3 to 5 mph.
Tonight
A 30 percent chance of rain after 4am. Cloudy, with a low around 45. West northwest wind 3 to 5 mph.
Wednesday
Rain likely, mainly after 10am. Patchy fog after 5pm. Otherwise, cloudy, with a high near 57. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Areas of fog before 1am. Low around 50. East southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
New Year's Day
Rain. Patchy fog before 1pm, then patchy fog after 4pm. High near 62. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely. Patchy fog before 7pm. Otherwise, cloudy, with a low around 54. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely. Cloudy, with a high near 60. Chance of precipitation is 70%.
Friday Night
Rain. Cloudy, with a low around 48.
Saturday
Rain likely. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 58.
Saturday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Sunday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Monday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara CA
 37.35°N 121.96°W (Elev. 89 ft)
Last Update:
12:27 am PST Dec 30, 2025
Forecast Valid:
5am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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