Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Mostly Cloudy

55°F

13°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Jan 05:20 PM PST
Extended Forecast for

San Jose International Airport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 64. Calm wind.

    High: 64 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Calm wind.
Wednesday
Cloudy, with a high near 64. Calm wind.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63. Calm wind.
Thursday Night
Mostly cloudy, with a low around 44. Calm wind.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
San Jose International Airport CA
 37.38°N 121.91°W (Elev. 56 ft)
1:57 pm PST Jan 20, 2026
5pm PST Jan 20, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database