National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Mountain Snow For the West Coast; Lake Effect Snow in the Great Lakes

A series of Pacific storms will deliver multiple rounds of heavy rain and mountain snow Wednesday into the Thanksgiving holiday weekend. There is an elevated concern for flash flooding, mudslides and debris flows near wildfire burn scars in California. A weak storm system will cross the Great Lakes Wednesday with accumulating Lake Effect snow. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150ft.

NA

63°F

17°C

Humidity 57%
Wind Speed NA
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 20 Nov 2:43 pm PST
Extended Forecast for

San Francisco CA

  • Tonight

    Tonight: Rain, mainly after 4am. Low around 55. Light and variable wind becoming south southeast 6 to 11 mph in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain
    then Rain

    Low: 55 °F

  • Wednesday

    Wednesday: Rain before 10am, then showers between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 60. South southeast wind 16 to 21 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Showers

    High: 60 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 54. West southwest wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers

    Low: 54 °F

  • Thanksgiving
    Day

    Thanksgiving Day: A chance of showers before 10am, then rain likely, mainly after 4pm. Partly sunny, with a high near 60. South southwest wind 8 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely

    High: 60 °F

  • Thursday
    Night

    Thursday Night: Rain. Low around 57. South southwest wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    Low: 57 °F

  • Friday

    Friday: Rain. High near 60. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    High: 60 °F

  • Friday
    Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 54 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 60.

    Mostly Sunny

    High: 60 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 50.

    Partly Cloudy

    Low: 50 °F

Detailed Forecast

Tonight
Rain, mainly after 4am. Low around 55. Light and variable wind becoming south southeast 6 to 11 mph in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain before 10am, then showers between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 60. South southeast wind 16 to 21 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 54. West southwest wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thanksgiving Day
A chance of showers before 10am, then rain likely, mainly after 4pm. Partly sunny, with a high near 60. South southwest wind 8 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 57. South southwest wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 60. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 62.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 131 ft)
Last Update:
2:56 pm PST Nov 20, 2018
Forecast Valid:
3pm PST Nov 20, 2018-6pm PST Nov 27, 2018
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation