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

70°F

21°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 21 Sep 11:05 AM PDT
Extended Forecast for

San Luis Obispo CA

  • Today

    Today: Sunny, with a high near 81. West wind around 10 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 58. West wind around 5 mph becoming north northwest after midnight.

    Low: 58 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. West northwest wind around 5 mph.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60.

    Low: 60 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. West wind around 10 mph.
Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 58. West wind around 5 mph becoming north northwest after midnight.
Monday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. West northwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 78.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 78.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 75.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 56.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 74.
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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:
7:58 am PDT Sep 21, 2025
Forecast Valid:
11am PDT Sep 21, 2025-6pm PDT Sep 27, 2025
 
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Additional Resources

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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