Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Partly Cloudy

53°F

12°C

Humidity 82%
Wind Speed SSW 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Apr 09:53 PM PDT
Extended Forecast for

San Jose International Airport CA

  • Tonight

    Tonight: A 20 percent chance of rain after 4am.  Partly cloudy, with a low around 48. South southeast wind around 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain and thunderstorms.  Partly sunny, with a high near 64. Southeast wind 6 to 9 mph becoming northwest in the afternoon.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. Light west northwest wind becoming northwest 5 to 10 mph in the afternoon.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Northwest wind 9 to 14 mph becoming light west  in the evening. Winds could gust as high as 18 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain after 4am. Partly cloudy, with a low around 48. South southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain and thunderstorms. Partly sunny, with a high near 64. Southeast wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 48. Northwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Sunny, with a high near 70. Light west northwest wind becoming northwest 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. Northwest wind 9 to 14 mph becoming light west in the evening. Winds could gust as high as 18 mph.
Friday
Partly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Mostly cloudy, with a high near 65.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
San Jose International Airport CA
 37.35°N 121.93°W (Elev. 66 ft)
8:32 pm PDT Apr 21, 2026
10pm PDT Apr 21, 2026-6pm PDT Apr 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