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.

Mostly Cloudy

54°F

12°C

Humidity 50%
Wind Speed WNW 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 Feb 12:00 PM PST
Extended Forecast for

San Luis Obispo CA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance Rain

  • 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 54. Breezy, with a southwest wind 20 to 25 mph becoming west northwest in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °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 57. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 57 °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 61.

    High: 61 °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 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 20 mph. 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 54. Breezy, with a southwest wind 20 to 25 mph becoming west northwest in the morning. Winds could gust as high as 40 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 57. 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 61.
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 64.
Sunday Night
Rain likely. Mostly cloudy, with a low around 52.
Monday
Rain likely. Mostly cloudy, with a high near 66.
Monday Night
Rain likely. Mostly cloudy, with a low around 53.
Tuesday
Rain likely. Mostly cloudy, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Luis Obispo CA
 35.29°N 120.69°W (Elev. 443 ft)
Last Update:
9:31 am PST Feb 18, 2026
Forecast Valid:
12pm PST Feb 18, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

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Chance of Precipitation