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 44%
Wind Speed NW 21 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Jul 02:00 PM PDT
Extended Forecast for

San Luis Obispo CA

Heat Advisory July 31, 10:00am until August 2, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny early, then becoming partly sunny, with a high near 84. West northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. North northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. Light west northwest wind becoming west 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59. West northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 59 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 86. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny early, then becoming partly sunny, with a high near 84. West northwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 58. North northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 81. Light west northwest wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59. West northwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 86. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 55.
Monday
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:
12:27 pm PDT Jul 28, 2026
Forecast Valid:
2pm PDT Jul 28, 2026-6pm PDT Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation