Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Clear

88°F

31°C

Humidity 40%
Wind Speed NW 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 18 Mar 03:35 PM PDT
Extended Forecast for

5 Miles NNE Milpitas CA

Heat Advisory March 18, 03:49pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 03:49pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 70 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. North wind 5 to 9 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 68. North northwest wind 5 to 8 mph becoming east after midnight.

    Low: 68 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. East northeast wind 5 to 8 mph becoming north northwest in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. Northwest wind 7 to 11 mph becoming southwest after midnight.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 70. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 84. North wind 5 to 9 mph.
Thursday Night
Clear, with a low around 68. North northwest wind 5 to 8 mph becoming east after midnight.
Friday
Sunny, with a high near 86. East northeast wind 5 to 8 mph becoming north northwest in the afternoon.
Friday Night
Mostly clear, with a low around 67. Northwest wind 7 to 11 mph becoming southwest after midnight.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 67.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Milpitas CA
 37.49°N 121.88°W (Elev. 1801 ft)
3:12 pm PDT Mar 18, 2026
3pm PDT Mar 18, 2026-6pm PDT Mar 25, 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