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.

Clear

77°F

25°C

Humidity 47%
Wind Speed NW 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Mar 03:15 PM PDT
Extended Forecast for

4 Miles NNE Milpitas CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. West northwest wind 7 to 14 mph becoming north after midnight. Winds could gust as high as 21 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. North northeast wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Southwest wind 8 to 11 mph.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. South southwest wind 8 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

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

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. West northwest wind 7 to 14 mph becoming north after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 71. North northeast wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 53. Southwest wind 8 to 11 mph.
Monday
Sunny, with a high near 71. South southwest wind 8 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 56. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Milpitas CA
 37.49°N 121.88°W (Elev. 1801 ft)
Last Update:
2:07 pm PDT Mar 21, 2026
Forecast Valid:
3pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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