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

Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

70°F

21°C

Humidity 46%
Wind Speed WNW 9 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 07 Sep 09:35 PM PDT
Extended Forecast for

2 Miles SSE Hillsborough CA

Heat Advisory September 9, 10:00am until September 10, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 57. West wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 63. West wind 5 to 8 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 90 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. West southwest wind 5 to 13 mph, with gusts as high as 18 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 57. West wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 63. West wind 5 to 8 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. West southwest wind 5 to 13 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Hillsborough CA
 37.53°N 122.35°W (Elev. 387 ft)
Last Update:
1:25 pm PDT Sep 7, 2026
Forecast Valid:
9pm PDT Sep 7, 2026-6pm PDT Sep 14, 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