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.

Overcast

55°F

13°C

Humidity 93%
Wind Speed S 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 09 Apr 11:00 PM PDT
Extended Forecast for

San Luis Obispo CA

  • Tonight

    Tonight: A 20 percent chance of showers. Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 54. South wind 5 to 10 mph, with gusts as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 63. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Rain and possibly a thunderstorm. Low around 50. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Rain

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Partly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain

  • Monday

    Monday: A slight chance of rain. Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 55. Calm wind.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 54. South wind 5 to 10 mph, with gusts as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 63. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain and possibly a thunderstorm. Low around 50. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of rain. Partly cloudy, with a low around 47.
Monday
A slight chance of rain. Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 73.
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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:
9:08 pm PDT Apr 9, 2026
Forecast Valid:
11pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation