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

64°F

18°C

Humidity 59%
Wind Speed NW 13 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 28 Jan 01:35 PM PST
Extended Forecast for

San Jose International Airport CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 65. Northwest wind 5 to 7 mph.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °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 65. Northwest wind 5 to 7 mph.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 40. Light and variable wind.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. Calm wind.
Friday
Partly sunny, with a high near 70. Calm wind.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Mostly cloudy, with a high near 65.
Sunday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 65.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Jose International Airport CA
 37.38°N 121.91°W (Elev. 56 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

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation