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.

Partly Cloudy

64°F

18°C

Humidity 72%
Wind Speed WNW 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Aug 10:20 AM PDT
Extended Forecast for

Arroyo Grande CA

  • Today

    Today: Patchy fog before 11am. Otherwise, cloudy early, then becoming mostly sunny, with a high near 73. West wind 5 to 10 mph.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. West northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 73. Light northwest wind becoming west 5 to 10 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. West northwest wind 5 to 10 mph becoming light north northwest in the evening.

    Low: 56 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74. West wind 5 to 10 mph.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59.

    Low: 59 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 71.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, cloudy early, then becoming mostly sunny, with a high near 73. West wind 5 to 10 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. West northwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 73. Light northwest wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. West northwest wind 5 to 10 mph becoming light north northwest in the evening.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74. West wind 5 to 10 mph.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 73.
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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:
7:41 am PDT Aug 20, 2026
Forecast Valid:
10am PDT Aug 20, 2026-6pm PDT Aug 26, 2026
 
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