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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Clear

47°F

8°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 29 Jan 01:53 AM PST
Extended Forecast for

San Jose International Airport CA

  • Overnight

    Overnight: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. East wind around 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. Calm wind.
Thursday
Sunny, with a high near 66. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. Light and variable wind.
Friday
Partly sunny, with a high near 68. Calm wind.
Friday Night
Mostly cloudy, with a low around 45. East wind around 5 mph.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 45.
Monday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Clear, with a low around 44.
Wednesday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Jose International Airport CA
 37.35°N 121.93°W (Elev. 66 ft)
Last Update:
12:26 am PST Jan 29, 2026
Forecast Valid:
2am PST Jan 29, 2026-6pm PST Feb 4, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation