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

68°F

20°C

Humidity 68%
Wind Speed NW 11 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 28 Aug 07:00 PM PDT
Extended Forecast for

San Luis Obispo CA

Heat Advisory August 28, 07:29pm until August 28, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 28, 07:29pm until August 28, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. West wind 5 to 10 mph.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers. Mostly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 56. Northwest wind 5 to 15 mph.
Saturday
Mostly sunny, with a high near 80. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. West wind 5 to 10 mph.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 72.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 54.
Wednesday
A slight chance of showers before 11am. Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 77.
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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:
1:24 pm PDT Aug 28, 2026
Forecast Valid:
7pm PDT Aug 28, 2026-6pm PDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation