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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Clear

75°F

24°C

Humidity 47%
Wind Speed NW 11 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Mar 05:30 PM PDT
Extended Forecast for

San Jose International Airport CA

  • Tonight

    Tonight: Mostly clear, with a low around 50. North northwest wind 8 to 13 mph becoming light after midnight.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Light north northwest wind becoming northwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. North northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Northwest wind 6 to 11 mph becoming light in the evening.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. North northwest wind 8 to 13 mph becoming light after midnight.
Sunday
Sunny, with a high near 78. Light north northwest wind becoming northwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 51. North northwest wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 79. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 52. Northwest wind 6 to 11 mph becoming light in the evening.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 78.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 77.
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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:
2:07 pm PDT Mar 21, 2026
Forecast Valid:
5pm PDT Mar 21, 2026-6pm PDT Mar 28, 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