Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

52°F

11°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 15 Dec 04:00 PM PST
Extended Forecast for

Millbrae CA

  • Tonight

    Tonight: Increasing clouds, with a low around 50. West wind 5 to 8 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 4pm.  Patchy fog before 1pm.  Otherwise, mostly cloudy, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 61 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 56. West southwest wind around 6 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 61. West wind around 7 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 50. West southwest wind around 6 mph.

    Low: 50 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 10am.  Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly after 10am.  Cloudy, with a high near 60.

    High: 60 °F

    Rain

  • Friday Night

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

    Low: 53 °F

    Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 50. West wind 5 to 8 mph.
Tuesday
A 30 percent chance of rain, mainly after 4pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 56. West southwest wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 61. West wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50. West southwest wind around 6 mph.
Thursday
A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 60.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 52.
Friday
Rain, mainly after 10am. Cloudy, with a high near 60.
Friday Night
Rain, mainly before 4am. Cloudy, with a low around 53.
Saturday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 59.
Saturday Night
Rain likely. Mostly cloudy, with a low around 50.
Sunday
Rain. Mostly cloudy, with a high near 58.
Sunday Night
Rain likely. Mostly cloudy, with a low around 51.
Monday
Rain likely. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Millbrae CA
 37.62°N 122.4°W (Elev. 95 ft)
12:27 pm PST Dec 15, 2025
4pm PST Dec 15, 2025-6pm PST Dec 22, 2025
 
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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