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

73°F

23°C

Humidity 38%
Wind Speed NW 6 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 23 Mar 07:00 PM PDT
Extended Forecast for

San Luis Obispo CA

Heat Advisory until March 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until March 24, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Tonight

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. North northwest wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 57. North northeast wind 5 to 10 mph.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Northeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56.

    Low: 56 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Clear, with a low around 58. North northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 89. North northwest wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 57. North northeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 86. Northeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Clear, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 84.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56.
Friday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 83.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 81.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 53.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 79.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Luis Obispo CA
 35.29°N 120.66°W (Elev. 318 ft)
Last Update:
2:16 pm PDT Mar 23, 2026
Forecast Valid:
7pm PDT Mar 23, 2026-6pm PDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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