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.

Overcast

63°F

17°C

Humidity 82%
Wind Speed WNW 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Aug 05:35 AM PDT
Extended Forecast for

San Luis Obispo CA

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 75. Light northwest wind becoming west northwest 10 to 15 mph in the morning.

    High: 75 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Cloudy, with a low around 55. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Cloudy

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 74. West northwest wind 5 to 10 mph.

    High: 74 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, cloudy, with a low around 55. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 76. North northwest wind 5 to 15 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, cloudy, with a low around 58.

    Low: 58 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 75. Light northwest wind becoming west northwest 10 to 15 mph in the morning.
Tonight
Cloudy, with a low around 55. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 74. West northwest wind 5 to 10 mph.
Sunday Night
Patchy fog. Otherwise, cloudy, with a low around 55. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 76. North northwest wind 5 to 15 mph.
Monday Night
Patchy fog. Otherwise, cloudy, with a low around 58.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Luis Obispo CA
 35.29°N 120.69°W (Elev. 443 ft)
Last Update:
5:31 am PDT Aug 15, 2026
Forecast Valid:
5am PDT Aug 15, 2026-6pm PDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation