Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

56°F

13°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 16 Mar 05:56 AM PDT
Extended Forecast for

Hillsborough CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 56. Light and variable wind.
Tuesday
Sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 87. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 87.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Sunny, with a high near 72.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsborough CA
 37.55°N 122.35°W (Elev. 197 ft)
1:40 am PDT Mar 16, 2026
6am PDT Mar 16, 2026-6pm PDT Mar 22, 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