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

78°F

26°C

Humidity 54%
Wind Speed NW 17 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Oct 03:56 PM PDT
Extended Forecast for

San Luis Obispo CA

  • This Afternoon

    This Afternoon: Sunny early, then becoming cloudy, with a high near 82. West northwest wind around 10 mph.

    High: 82 °F

    Becoming
    Cloudy

  • Tonight

    Tonight: Patchy fog. Otherwise, cloudy, with a low around 53. West northwest wind around 5 mph.

    Low: 53 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 73. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 50. North wind 5 to 10 mph.

    Low: 50 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 68. Chance of precipitation is 90%.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny early, then becoming cloudy, with a high near 82. West northwest wind around 10 mph.
Tonight
Patchy fog. Otherwise, cloudy, with a low around 53. West northwest wind around 5 mph.
Monday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 73. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 50. North wind 5 to 10 mph.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54.
Wednesday
Showers. High near 68. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Mostly cloudy, with a low around 53.
Thursday
A chance of showers. Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Luis Obispo CA
 35.27°N 120.68°W (Elev. 131 ft)
Last Update:
11:26 am PDT Oct 18, 2026
Forecast Valid:
4pm PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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