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.

Partly Cloudy

39°F

4°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 30 Dec 06:53 AM PST
Extended Forecast for

San Jose International Airport CA

  • Today

    Today: Mostly cloudy, with a high near 60. West southwest wind around 6 mph becoming north northeast in the morning.

    High: 60 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain after 4am.  Cloudy, with a low around 46. West northwest wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am.  Cloudy, with a high near 58. East wind around 6 mph becoming north northeast in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Patchy fog before 10pm. Low around 51. East southeast wind 6 to 9 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain and
    Patchy Fog

  • New Year's Day

    New Year's Day: Rain.  Patchy fog before 10am. High near 62. South wind 7 to 9 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.  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

  • 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 50.

    Low: 50 °F

    Rain

  • Saturday

    Saturday: Rain likely.  Mostly cloudy, with a high near 58.

    High: 58 °F

    Rain Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 60. West southwest wind around 6 mph becoming north northeast in the morning.
Tonight
A 30 percent chance of rain after 4am. Cloudy, with a low around 46. West northwest wind around 6 mph.
Wednesday
Rain likely, mainly after 10am. Cloudy, with a high near 58. East wind around 6 mph becoming north northeast in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Patchy fog before 10pm. Low around 51. East southeast wind 6 to 9 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 10am. High near 62. South wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely. 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 50.
Saturday
Rain likely. Mostly cloudy, with a high near 58.
Saturday Night
A chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 46.
Sunday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
San Jose International Airport CA
 37.35°N 121.93°W (Elev. 66 ft)
12:27 am PST Dec 30, 2025
7am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database