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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150.0ft.

NA

58°F

14°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

3 Miles WSW San Francisco CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. West wind around 9 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. West wind 7 to 13 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. West wind 7 to 11 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64. West wind 7 to 11 mph.

    High: 64 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 56. West wind 8 to 14 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. West wind around 9 mph.
Monday
Mostly sunny, with a high near 64. West wind 7 to 13 mph.
Monday Night
Partly cloudy, with a low around 56. West wind 7 to 11 mph.
Tuesday
Partly sunny, with a high near 64. West wind 7 to 11 mph.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 56. West wind 8 to 14 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 56.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.
Thursday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 56.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 68.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 56.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 66.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 56.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW San Francisco CA
 37.74°N 122.49°W (Elev. 177 ft)
Last Update:
2:40 am PDT Aug 18, 2025
Forecast Valid:
2am PDT Aug 18, 2025-6pm PDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation