National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Clear

59°F

15°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 28 Mar 10:56 PM PDT
Extended Forecast for

Hillsborough CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 71. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 71 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 11am. Partly sunny, with a high near 66.

    High: 66 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Calm wind.
Sunday
Sunny, with a high near 81. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 71. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 50. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 66.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 66.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain before 11am. Mostly sunny, with a high near 64.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 71.
Friday Night
Clear, with a low around 48.
Saturday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsborough CA
 37.55°N 122.35°W (Elev. 197 ft)
Last Update:
2:26 pm PDT Mar 28, 2026
Forecast Valid:
11pm PDT Mar 28, 2026-6pm PDT Apr 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation