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

61°F

16°C

Humidity 89%
Wind Speed NW 14 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 09:08 PM PDT
Extended Forecast for

San Luis Obispo CA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. North wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 84. North wind 5 to 15 mph becoming west northwest in the afternoon.

    High: 84 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy fog. Otherwise, cloudy, with a low around 58. West wind around 5 mph becoming north northeast after midnight.

    Low: 58 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 79. East northeast wind 5 to 10 mph becoming west in the morning.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, cloudy, with a low around 56. West southwest wind around 5 mph.

    Low: 56 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 75.

    High: 75 °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 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. North wind 5 to 10 mph.
Saturday
Increasing clouds, with a high near 84. North wind 5 to 15 mph becoming west northwest in the afternoon.
Saturday Night
Patchy fog. Otherwise, cloudy, with a low around 58. West wind around 5 mph becoming north northeast after midnight.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 79. East northeast wind 5 to 10 mph becoming west in the morning.
Sunday Night
Patchy fog after 11pm. Otherwise, cloudy, with a low around 56. West southwest wind around 5 mph.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 62.
Friday
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
 35.29°N 120.66°W (Elev. 318 ft)
Last Update:
11:26 am PDT Sep 18, 2026
Forecast Valid:
9pm PDT Sep 18, 2026-6pm PDT Sep 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation