Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Palo Alto Airport (KPAO)

Lat: 37.46667°NLon: 122.11667°WElev: 7.0ft.

Mostly Cloudy

66°F

19°C

Humidity 72%
Wind Speed NW 8 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 27 Aug 08:47 PM PDT
Extended Forecast for

San Carlos CA

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 59. Light west wind.

    Low: 59 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers.  Cloudy through mid morning, then gradual clearing, with a high near 74. Light west wind increasing to 8 to 13 mph in the morning.

    High: 74 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. West wind 6 to 11 mph becoming light west southwest  after midnight.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Light west southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. West wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

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

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 59. Light west wind.
Friday
A 20 percent chance of showers. Cloudy through mid morning, then gradual clearing, with a high near 74. Light west wind increasing to 8 to 13 mph in the morning.
Friday Night
Mostly clear, with a low around 56. West wind 6 to 11 mph becoming light west southwest after midnight.
Saturday
Mostly sunny, with a high near 72. Light west southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 55. West wind 9 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 55.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
San Carlos CA
 37.5°N 122.28°W (Elev. 200 ft)
2:47 am PDT Aug 28, 2026
4am PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
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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