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.

rain,mist

56°F

13°C

Humidity 96%
Wind Speed SE 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 2.00 mi
Last update 21 Apr 05:56 AM PDT
Extended Forecast for

San Luis Obispo CA

  • Today

    Today: Rain, with thunderstorms also possible after 11am. High near 61. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Rain

  • Tonight

    Tonight: A 50 percent chance of rain before 11pm. Partly cloudy, with a low around 49. South southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66. West northwest wind 5 to 15 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Rain, with thunderstorms also possible after 11am. High near 61. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 50 percent chance of rain before 11pm. Partly cloudy, with a low around 49. South southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 66. West northwest wind 5 to 15 mph.
Wednesday Night
Mostly clear, with a low around 47. North wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 73. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 71.
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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:
1:46 am PDT Apr 21, 2026
Forecast Valid:
6am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
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