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

63°F

17°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 55°F (13°C)
Visibility 7.00 mi
Last update 22 Aug 07:56 AM PDT
Extended Forecast for

San Luis Obispo CA

Heat Advisory August 22, 08:04am until August 22, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 08:04am until August 22, 09:00pm

    NOW until 9:00pm Fri

    Heat Advisory

  • Today

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. West wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57.

    Low: 57 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57.

    Low: 57 °F

    Patchy Fog

Detailed Forecast

Today
Sunny, with a high near 94. West wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 78. West wind 5 to 10 mph.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77.
Monday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 75.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 74.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 55.
Thursday
Patchy fog. Otherwise, mostly 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:
3:53 am PDT Aug 22, 2025
Forecast Valid:
8am PDT Aug 22, 2025-6pm PDT Aug 28, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation