Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

61°F

16°C

Humidity 44%
Wind Speed S 18 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 21 Feb 02:35 PM PST
Extended Forecast for

Hillsborough CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. South wind around 14 mph, with gusts as high as 22 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. South southeast wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. South southeast wind 7 to 9 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A 10 percent chance of rain after 4pm.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 66. Light east northeast wind.

    High: 66 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 53. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am.  Cloudy, with a low around 53.

    Low: 53 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 58. South wind around 14 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 47. South southeast wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 64. South southeast wind 7 to 9 mph.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 46. Light and variable wind.
Monday
A 10 percent chance of rain after 4pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 66. Light east northeast wind.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 62. Chance of precipitation is 80%.
Tuesday Night
Rain, mainly before 4am. Cloudy, with a low around 53.
Wednesday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 65.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsborough CA
 37.55°N 122.35°W (Elev. 197 ft)
12:26 pm PST Feb 21, 2026
2pm PST Feb 21, 2026-6pm PST Feb 27, 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