Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

64°F

18°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 30 Sep 01:56 AM PDT
Extended Forecast for

Colma CA

  • Overnight

    Overnight: A slight chance of drizzle.  Mostly cloudy, with a low around 59. Southwest wind around 8 mph.

    Low: 59 °F

    Slight Chance
    Drizzle

  • Tuesday

    Tuesday: Partly sunny, with a high near 69. Southwest wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 69 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of drizzle between 11pm and 5am, then a chance of rain or drizzle after 5am.  Mostly cloudy, with a low around 60. South southeast wind around 10 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 3pm.  Mostly cloudy, with a high near 68. South southeast wind around 11 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A slight chance of drizzle before 11pm.  Mostly cloudy, with a low around 56. South southwest wind 6 to 10 mph becoming west northwest after midnight.

    Low: 56 °F

    Slight Chance
    Drizzle then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of drizzle. Mostly cloudy, with a low around 59. Southwest wind around 8 mph.
Tuesday
Partly sunny, with a high near 69. Southwest wind 7 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of drizzle between 11pm and 5am, then a chance of rain or drizzle after 5am. Mostly cloudy, with a low around 60. South southeast wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 68. South southeast wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A slight chance of drizzle before 11pm. Mostly cloudy, with a low around 56. South southwest wind 6 to 10 mph becoming west northwest after midnight.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Colma CA
 37.67°N 122.47°W (Elev. 197 ft)
1:25 am PDT Sep 30, 2025
2am PDT Sep 30, 2025-6pm PDT Oct 6, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database