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.

Mostly Cloudy

74°F

23°C

Humidity 51%
Wind Speed NNW 12 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Mar 01:53 PM PDT
Extended Forecast for

San Jose International Airport CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Northwest wind 10 to 14 mph, with gusts as high as 18 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. North northwest wind 5 to 10 mph becoming light northwest after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Northwest wind 6 to 11 mph becoming light west northwest in the evening.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

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

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Northwest wind 10 to 14 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 51. North northwest wind 5 to 10 mph becoming light northwest after midnight.
Sunday
Sunny, with a high near 77. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 50. Northwest wind 6 to 11 mph becoming light west northwest in the evening.
Monday
Sunny, with a high near 78. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Jose International Airport CA
 37.35°N 121.93°W (Elev. 66 ft)
Last Update:
1:26 pm PDT Mar 21, 2026
Forecast Valid:
2pm PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

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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