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

40°F

4°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 22 Feb 02:56 AM PST
Extended Forecast for

San Luis Obispo CA

  • Overnight

    Overnight: Mostly clear, with a low around 41. East northeast wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Northeast wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. North wind around 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Northeast wind around 10 mph becoming northwest in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. North wind around 5 mph.

    Low: 52 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 56.

    Low: 56 °F

    Patchy Fog

Detailed Forecast

Overnight
Mostly clear, with a low around 41. East northeast wind around 5 mph.
Sunday
Sunny, with a high near 66. Northeast wind 5 to 10 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 45. North wind around 5 mph.
Monday
Mostly sunny, with a high near 72. Northeast wind around 10 mph becoming northwest in the afternoon.
Monday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. North wind around 5 mph.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 72.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 73.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 56.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 75.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 57.
Friday
Patchy fog. Otherwise, mostly cloudy, with a high near 76.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 56.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 76.
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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:
2:47 am PST Feb 22, 2026
Forecast Valid:
3am PST Feb 22, 2026-6pm PST Feb 28, 2026
 
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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