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

55°F

13°C

Humidity 87%
Wind Speed SE 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 52°F (11°C)
Visibility 8.00 mi
Last update 18 Sep 07:00 AM PDT
Extended Forecast for

San Luis Obispo CA

  • Today

    Today: Sunny, with a high near 82. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 85. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 85 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy fog. Otherwise, cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming north northeast after midnight.

    Low: 56 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 78. Northeast wind 5 to 10 mph becoming west northwest in the morning.

    High: 78 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56.

    Low: 56 °F

    Patchy Fog

  • Monday

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

    High: 71 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 55. North wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Increasing clouds, with a high near 85. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Patchy fog. Otherwise, cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming north northeast after midnight.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 78. Northeast wind 5 to 10 mph becoming west northwest in the morning.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Luis Obispo CA
 35.27°N 120.66°W (Elev. 262 ft)
Last Update:
2:11 am PDT Sep 18, 2026
Forecast Valid:
7am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

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Chance of Precipitation