National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (KSBP)

Lat: 35.23611°NLon: 120.63611°WElev: 207.0ft.

light rain,mist

43°F

6°C

Humidity 86%
Wind Speed N 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 39°F (4°C)
Visibility 4.00 mi
Last update 18 Feb 05:00 AM PST
Extended Forecast for

4 Miles SE San Luis Obispo CA

Flood Advisory February 18, 05:24am until February 18, 06:00am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory February 18, 05:24am until February 18, 06:00am

    NOW until 6:00am Wed

    Flood Advisory

  • Overnight

    Low: 42 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 54. West northwest wind 10 to 15 mph, with gusts 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

  • Wednesday Night

    Wednesday Night: Rain, mainly after 4am. Low around 41. 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: 41 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: Rain, mainly before 4pm. High near 55. Breezy, with a southwest wind 20 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °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.

    High: 58 °F

    Mostly Sunny

  • Friday Night

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

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 40 percent chance of showers. Mostly cloudy, with a low around 42. 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.
Wednesday
A chance of showers before 10am, then a chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 54. West northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly after 4am. Low around 41. 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 55. Breezy, with a southwest wind 20 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters 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.
Friday Night
Mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Mostly cloudy, with a high near 65.
Sunday Night
Rain likely. Mostly cloudy, with a low around 53.
Monday
Rain likely. Mostly cloudy, with a high near 68.
Monday Night
Rain likely. Mostly cloudy, with a low around 54.
Tuesday
Rain likely. Mostly cloudy, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE San Luis Obispo CA
 35.23°N 120.59°W (Elev. 446 ft)
Last Update:
3:31 am PST Feb 18, 2026
Forecast Valid:
5am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation