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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

ARROYO SECO (ASRC1)

Lat: 36.23548°NLon: 121.47988°WElev: 879.0ft.

NA

61°F

16°C

Humidity 78%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 18 Sep 07:04 AM PDT
Extended Forecast for

8 Miles ESE Arroyo Seco CA

  • Today

    Today: A chance of showers, with thunderstorms also possible after 5pm. Cloudy, with a high near 75. East southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 73. Light south wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 5pm. Cloudy, with a high near 75. East southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 73. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 64. Calm wind.
Saturday
Sunny, with a high near 77. Light and variable wind.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 69.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Arroyo Seco CA
 36.19°N 121.36°W (Elev. 2740 ft)
Last Update:
5:00 am PDT Sep 18, 2025
Forecast Valid:
7am PDT Sep 18, 2025-6pm PDT Sep 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation