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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Current conditions at

Palo Alto Airport (KPAO)

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

Clear

77°F

25°C

Humidity 61%
Wind Speed NNW 10 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Sep 03:47 PM PDT
Extended Forecast for

San Carlos CA

  • Tonight

    Tonight: Mostly clear, with a low around 58. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. West wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 75. West northwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. West northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 24 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 83. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 59. West wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 75. West northwest wind 5 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 52. West northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 78.
Monday Night
Clear, with a low around 55.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Carlos CA
 37.5°N 122.28°W (Elev. 200 ft)
Last Update:
2:31 pm PDT Sep 23, 2026
Forecast Valid:
4pm PDT Sep 23, 2026-6pm PDT Sep 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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