Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Hazardous Weather Conditions
Current conditions at
San Francisco, San Francisco International Airport (KSFO)
Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.
Clear
50°F
10°C
| Humidity | 86% |
| Wind Speed | NNE 9 MPH |
| Barometer | 30.2 in (1022.69 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 30 Dec 02:56 AM PST |
Extended Forecast for
2 Miles ESE Colma CA
Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm
Overnight
Low: 42 °F
Mostly Clear
Tuesday
High: 58 °F
Partly Sunny
Tuesday Night
Low: 47 °F
Mostly Cloudy
then Chance
RainWednesday
High: 56 °F
Rain Likely
Wednesday Night
Low: 49 °F
Rain and
Patchy FogNew Year's Day
High: 61 °F
Rain and
Patchy FogThursday Night
Low: 55 °F
Rain
Friday
High: 60 °F
Rain
Friday Night
Low: 50 °F
Rain
Detailed Forecast
Overnight
Mostly clear, with a low around 42. North northeast wind around 7 mph.
Tuesday
Partly sunny, with a high near 58. East northeast wind 8 to 10 mph.
Tuesday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 47. East northeast wind around 8 mph.
Wednesday
Rain likely, mainly after 10am. Cloudy, with a high near 56. East wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Patchy fog. Low around 49. East wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. Patchy fog before 10am. High near 61. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 55. Chance of precipitation is 80%.
Friday
Rain. Cloudy, with a high near 60.
Friday Night
Rain. Cloudy, with a low around 50.
Saturday
Rain likely. Mostly cloudy, with a high near 58.
Saturday Night
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Sunday
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 58.
Sunday Night
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Monday
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ESE Colma CA
37.66°N 122.41°W (Elev. 233 ft)
37.66°N 122.41°W (Elev. 233 ft)
12:27 am PST Dec 30, 2025
3am PST Dec 30, 2025-6pm PST Jan 5, 2026
Additional Resources
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