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.

Clear

64°F

18°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Sep 07:35 PM PDT
Extended Forecast for

Arroyo Grande CA

  • Tonight

    Tonight: Increasing clouds, with a low around 56. West northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. West wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. West northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

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

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 56. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. West wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arroyo Grande CA
 35.12°N 120.59°W (Elev. 128 ft)
Last Update:
11:26 am PDT Sep 23, 2026
Forecast Valid:
7pm PDT Sep 23, 2026-6pm PDT Sep 30, 2026
 
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