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

75°F

24°C

Humidity 17%
Wind Speed SW 8 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 Apr 02:20 PM PDT
Extended Forecast for

San Luis Obispo CA

  • This Afternoon

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

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. West southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Light and variable wind becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, with thunderstorms also possible after 11am. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. West wind around 10 mph.
Tonight
Partly cloudy, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 72. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 47. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 70. Light and variable wind becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 54.
Tuesday
Rain, with thunderstorms also possible after 11am. High near 66. Chance of precipitation is 80%.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Sunny, with a high near 72.
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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:
11:26 am PDT Apr 18, 2026
Forecast Valid:
2pm PDT Apr 18, 2026-6pm PDT Apr 24, 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