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

64°F

18°C

Humidity 63%
Wind Speed SSW 4 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Jan 11:50 AM PST
Extended Forecast for

San Luis Obispo CA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly sunny, with a high near 64. Calm wind becoming west around 5 mph.

    High: 64 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Partly cloudy, with a low around 48. North northwest wind around 5 mph becoming calm.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 64. Light and variable wind becoming west southwest 5 to 10 mph in the morning.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 45. West northwest wind around 5 mph becoming north northeast after midnight.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly sunny, with a high near 64. Calm wind becoming west around 5 mph.
Tonight
Partly cloudy, with a low around 48. North northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 64. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Friday Night
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 45. West northwest wind around 5 mph becoming north northeast after midnight.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 46.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Luis Obispo CA
 35.27°N 120.66°W (Elev. 262 ft)
Last Update:
10:57 am PST Jan 22, 2026
Forecast Valid:
12pm PST Jan 22, 2026-6pm PST Jan 28, 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