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

48°F

9°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 01 Jan 11:30 PM PST
Extended Forecast for

San Luis Obispo CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Southeast wind around 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 64. Breezy, with a south southeast wind 15 to 20 mph.

    High: 64 °F

    Slight Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain, mainly after 10pm. Low around 57. Windy, with a south southeast wind 20 to 25 mph increasing to 25 to 30 mph in the evening. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Rain and
    Windy

  • Saturday

    Saturday: Rain. High near 63. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 63 °F

    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 56. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain

  • Sunday

    Sunday: Rain. High near 62. Chance of precipitation is 90%.

    High: 62 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 61.

    High: 61 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Southeast wind around 5 mph.
Friday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 64. Breezy, with a south southeast wind 15 to 20 mph.
Friday Night
Rain, mainly after 10pm. Low around 57. Windy, with a south southeast wind 20 to 25 mph increasing to 25 to 30 mph in the evening. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain. High near 63. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Rain. Low around 56. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 62. Chance of precipitation is 90%.
Sunday Night
Rain, mainly before 10pm. Low around 50. Chance of precipitation is 80%.
Monday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 61.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 61.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 46.
Wednesday
A chance of rain. Partly sunny, with a high near 61.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A chance of rain. Mostly sunny, with a high near 60.
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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:
7:01 pm PST Jan 1, 2026
Forecast Valid:
11pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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