National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (KSBP)

Lat: 35.23611°NLon: 120.63611°WElev: 207.0ft.

Clear

79°F

26°C

Humidity 39%
Wind Speed W 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Mar 06:35 PM PDT
Extended Forecast for

San Luis Obispo CA

Heat Advisory March 18, 06:53pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 06:53pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Northeast wind 5 to 10 mph.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Light and variable wind becoming northeast 5 to 10 mph after midnight.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. South southwest wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West southwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Sunny and hot, with a high near 96. Northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 58. Light and variable wind becoming northeast 5 to 10 mph after midnight.
Friday
Sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53. South southwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Luis Obispo CA
 35.27°N 120.66°W (Elev. 262 ft)
Last Update:
2:20 pm PDT Mar 18, 2026
Forecast Valid:
6pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation