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

45°F

7°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Apr 06:35 AM PDT
Extended Forecast for

San Luis Obispo CA

  • Today

    Today: Mostly sunny, with a high near 81. North northeast wind 5 to 10 mph becoming west in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. West northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 52 °F

    Mostly 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 48. West southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 48 °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, mainly after 11pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain. Mostly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 81. North northeast wind 5 to 10 mph becoming west in the afternoon.
Tonight
Mostly cloudy, with a low around 52. West northwest wind 5 to 10 mph becoming light and variable 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 48. 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, mainly after 11pm. Mostly cloudy, with a low around 53.
Tuesday
Rain likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Tuesday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 50.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Sunny, with a high near 70.
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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:
1:01 am PDT Apr 18, 2026
Forecast Valid:
6am 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