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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Mostly Cloudy

63°F

17°C

Humidity 59%
Wind Speed NNW 11 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 28 Jan 01:20 PM PST
Extended Forecast for

San Jose International Airport CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. Northwest wind 6 to 9 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Northwest wind around 6 mph becoming calm in the evening.

    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. Calm 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 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. Northwest wind 6 to 9 mph.
Tonight
Partly cloudy, with a low around 42. Northwest wind around 6 mph becoming calm in the evening.
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. Calm wind.
Friday
Partly sunny, with a high near 68. Calm wind.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly cloudy, with a high near 65.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 67.
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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 pm PST Jan 28, 2026
Forecast Valid:
1pm PST Jan 28, 2026-6pm PST Feb 3, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation