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

55°F

13°C

Humidity 87%
Wind Speed NNW 4 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Apr 09:00 PM PDT
Extended Forecast for

San Luis Obispo CA

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South southwest wind around 5 mph becoming calm.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. East southeast wind 5 to 15 mph becoming south southwest in the morning. Winds could gust as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain, mainly after 11pm. Low around 54. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain

  • Tuesday

    Tuesday: Rain, with thunderstorms also possible after 11am. High near 64. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain before 11pm. Partly cloudy, with a low around 50. West southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. South southwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 68. East southeast wind 5 to 15 mph becoming south southwest in the morning. Winds could gust as high as 20 mph.
Monday Night
Rain, mainly after 11pm. Low around 54. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain, with thunderstorms also possible after 11am. High near 64. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 50 percent chance of rain before 11pm. Partly cloudy, with a low around 50. West southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Luis Obispo CA
 35.27°N 120.68°W (Elev. 131 ft)
Last Update:
8:17 pm PDT Apr 19, 2026
Forecast Valid:
9pm PDT Apr 19, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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