Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

63°F

17°C

Humidity 82%
Wind Speed NW 10 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 27 Aug 01:00 AM PDT
Extended Forecast for

Colma CA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 59. West wind around 10 mph.

    Low: 59 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 11am, then a slight chance of rain after 11am.  Partly sunny, with a high near 70. West wind 10 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 58. West wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before 11am.  Mostly cloudy, with a high near 64. West wind 10 to 17 mph, with gusts as high as 21 mph.

    High: 64 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. West wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. West wind around 10 mph.
Thursday
A slight chance of showers and thunderstorms before 11am, then a slight chance of rain after 11am. Partly sunny, with a high near 70. West wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 58. West wind 11 to 16 mph, with gusts as high as 24 mph.
Friday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 64. West wind 10 to 17 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 55. West wind 9 to 16 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Colma CA
 37.68°N 122.44°W (Elev. 338 ft)
11:26 pm PDT Aug 26, 2026
1am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database