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

Dangerous Cold Weather for Most of the Country; Rare Southern Winter Storm; Fire Weather Concerns for Southern California

Arctic air is encompassing the eastern two-thirds of the United States. A major winter storm is bringing heavy snow as well as areas of sleet and freezing rain from south Texas through the eastern Carolinas. Moderate to strong Santa Ana winds and low humidity will maintain Critical to Extremely Critical fire weather conditions in 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.

Partly Cloudy

63°F

17°C

Humidity 27%
Wind Speed NW 3 MPH
Barometer 30.51 in (1033.19 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 21 Jan 12:35 PM PST
Extended Forecast for

3 Miles SE San Jose International Airport CA

Frost Advisory January 22, 12:00am until January 22, 10:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. Northwest wind 3 to 7 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 31. West northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy
    then Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 66 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after 3am. Otherwise, clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Thursday

    Thursday: Areas of frost before 8am. Otherwise, sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

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

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Northwest wind 3 to 7 mph.
Tonight
Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 31. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming northwest 5 to 8 mph in the morning.
Wednesday Night
Patchy frost after 3am. Otherwise, clear, with a low around 36. Light and variable wind.
Thursday
Areas of frost before 8am. Otherwise, sunny, with a high near 70. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 60.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 34.
Sunday
Areas of frost. Otherwise, sunny, with a high near 60.
Sunday Night
Areas of frost. Otherwise, clear, with a low around 34.
Monday
Areas of frost. Otherwise, sunny, with a high near 62.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE San Jose International Airport CA
 37.33°N 121.9°W (Elev. 82 ft)
Last Update:
12:26 pm PST Jan 21, 2025
Forecast Valid:
12pm PST Jan 21, 2025-6pm PST Jan 27, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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