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

66°F

19°C

Humidity 72%
Wind Speed W 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 27 Mar 05:35 PM PDT
Extended Forecast for

San Luis Obispo CA

  • Tonight

    Tonight: Clear, with a low around 55. West southwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain. Mostly cloudy, with a high near 70.

    High: 70 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 55. West southwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Otherwise, sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. West wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening.
Monday
Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 70.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Wednesday
A chance of rain. Partly sunny, with a high near 70.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 52.
Thursday
A slight chance of rain. Mostly sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 75.
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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:
1:17 pm PDT Mar 27, 2026
Forecast Valid:
5pm PDT Mar 27, 2026-6pm PDT Apr 3, 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

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation