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 DOWNTOWN (SFOC1)
Lat: 37.77056°NLon: 122.42694°WElev: 150.0ft.NA
48°F
9°C
| Humidity | 72% |
| Wind Speed | NA NA MPH |
| Barometer | NA |
| Dewpoint | 40°F (4°C) |
| Visibility | NA |
| Last update | 30 Dec 12:43 AM PST |
Extended Forecast for
San Francisco CA
Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm
Overnight
Low: 45 °F
Mostly Clear
Tuesday
High: 55 °F
Partly Sunny
Tuesday Night
Low: 48 °F
Mostly Cloudy
then Chance
RainWednesday
High: 54 °F
Rain
Wednesday Night
Low: 49 °F
Rain and
Patchy FogNew Year's Day
High: 59 °F
Rain and
Patchy FogThursday Night
Low: 55 °F
Rain
Friday
High: 60 °F
Rain
Friday Night
Low: 51 °F
Rain
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 45. North wind around 8 mph.
Tuesday
Partly sunny, with a high near 55. North northeast wind 7 to 10 mph.
Tuesday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 48. North northeast wind 7 to 9 mph.
Wednesday
Rain, mainly after 10am. High near 54. Northeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Patchy fog after 1am. Low around 49. East wind 7 to 9 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 1pm. High near 59. 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 90%.
Friday
Rain. Cloudy, with a high near 60.
Friday Night
Rain. Cloudy, with a low around 51.
Saturday
Rain likely. Mostly cloudy, with a high near 56.
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 56.
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 57.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Francisco CA
37.77°N 122.41°W (Elev. 131 ft)
37.77°N 122.41°W (Elev. 131 ft)
12:27 am PST Dec 30, 2025
1am PST Dec 30, 2025-6pm PST Jan 5, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
