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

39°F

4°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 18 Feb 05:56 AM PST
Extended Forecast for

San Luis Obispo CA

  • Today

    Today: A chance of showers before 10am, then a chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 54. North northwest wind 10 to 15 mph becoming west southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain, mainly after 4am. Low around 42. Northwest wind around 5 mph becoming south after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: Rain, mainly before 4pm. High near 56. Breezy, with a southwest wind 20 to 25 mph becoming west northwest in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Breezy. Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 38. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

Today
A chance of showers before 10am, then a chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 54. North northwest wind 10 to 15 mph becoming west southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 4am. Low around 42. Northwest wind around 5 mph becoming south after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain, mainly before 4pm. High near 56. Breezy, with a southwest wind 20 to 25 mph becoming west northwest in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 38. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 58. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 39.
Saturday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 62.
Saturday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Mostly cloudy, with a high near 66.
Sunday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 52.
Monday
Rain likely. Mostly cloudy, with a high near 68.
Monday Night
Rain likely. Mostly cloudy, with a low around 53.
Tuesday
Rain likely. Mostly cloudy, with a high near 67.
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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:
5:52 am PST Feb 18, 2026
Forecast Valid:
6am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation