Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Partly Cloudy

95°F

35°C

Humidity 23%
Wind Speed NNW 9 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 09 Sep 02:05 PM PDT
Extended Forecast for

2 Miles NNW Milpitas CA

Heat Advisory September 9, 02:16pm until September 10, 10:00pm
Coastal Flood Advisory September 9, 02:16pm until September 10, 01:00am
Click here for hazard details and duration
Heat Advisory
Coastal Flood Advisory
  •  
    Heat Advisory September 9, 02:16pm until September 10, 10:00pm
    Coastal Flood Advisory September 9, 02:16pm until September 10, 01:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 70. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. West wind 3 to 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 98. Northwest wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 70. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 60. West wind 3 to 7 mph.
Friday
Sunny, with a high near 81. Calm wind becoming west 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Milpitas CA
 37.47°N 121.9°W (Elev. 243 ft)
1:25 pm PDT Sep 9, 2026
2pm PDT Sep 9, 2026-6pm PDT Sep 15, 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