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

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (KSBP)

Lat: 35.23611°NLon: 120.63611°WElev: 207.0ft.

Mostly Cloudy

57°F

14°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 12 Nov 08:56 AM PST
Extended Forecast for

Arroyo Grande CA

  • Today

    Today: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 66. Southwest wind 5 to 10 mph.

    High: 66 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 55. East southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 4pm. High near 61. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 10pm, then rain likely. Low around 53. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    Low: 53 °F

    Rain

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 57. East northeast wind 10 to 15 mph becoming west in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain. Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly before 4pm. Partly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 66. Southwest wind 5 to 10 mph.
Tonight
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 55. East southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, with thunderstorms also possible after 4pm. High near 61. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 10pm, then rain likely. Low around 53. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 57. East northeast wind 10 to 15 mph becoming west in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 51.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 59.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49.
Sunday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 60.
Sunday Night
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 50.
Monday
A chance of showers. Partly sunny, with a high near 58.
Monday Night
A chance of showers. Mostly cloudy, with a low around 44.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arroyo Grande CA
 35.12°N 120.57°W (Elev. 128 ft)
Last Update:
8:36 am PST Nov 12, 2025
Forecast Valid:
9am PST Nov 12, 2025-6pm PST Nov 18, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation