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

39°F

4°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 20 Feb 11:35 PM PST
Extended Forecast for

San Luis Obispo CA

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. South wind 5 to 10 mph becoming east southeast after midnight.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. East northeast wind around 5 mph becoming west in the afternoon.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Calm wind becoming northeast around 5 mph after midnight.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Calm wind.
Saturday
Sunny, with a high near 59. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 43. South wind 5 to 10 mph becoming east southeast after midnight.
Sunday
Sunny, with a high near 67. East northeast wind around 5 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 46. Calm wind becoming northeast around 5 mph after midnight.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly cloudy, with a high near 71.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 72.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Thursday
A slight chance of rain. Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Luis Obispo CA
 35.29°N 120.69°W (Elev. 443 ft)
Last Update:
8:27 pm PST Feb 20, 2026
Forecast Valid:
11pm PST Feb 20, 2026-6pm PST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation