Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose, San Jose International Airport (KSJC)

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

Partly Cloudy

63°F

17°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Mar 08:35 AM PDT
Extended Forecast for

2 Miles SW Santa Clara CA

Heat Advisory March 17, 08:59am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 08:59am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 91. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 60. Light and variable wind.
Wednesday
Sunny, with a high near 92. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 62. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 75.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Santa Clara CA
 37.34°N 121.98°W (Elev. 121 ft)
1:54 am PDT Mar 17, 2026
8am PDT Mar 17, 2026-6pm PDT Mar 23, 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