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

8°C

46°F

Humidity 87%
Wind Speed E 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 6°C (43°F)
Visibility 16 km
Last update 20 Apr 02:35 AM PDT
Extended Forecast for

3 Miles NNW San Luis Obispo CA

  • Overnight

    Overnight: Partly cloudy, with a low around 7. Calm wind.

    Low: 7 °C

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 19. Southeast wind 10 to 15 km/h becoming south southwest 20 to 25 km/h in the morning. Winds could gust as high as 35 km/h.

    High: 19 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Rain, mainly after 11pm. Low around 11. South southeast wind 15 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 90%. New precipitation amounts between 5 and 7.5 mm possible.

    Low: 11 °C

    Rain

  • Tuesday

    Tuesday: Rain, with thunderstorms also possible after 11am. High near 16. Southwest wind around 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 cm possible.

    High: 16 °C

    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain before 11pm. Partly cloudy, with a low around 9. West southwest wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 30 km/h. New precipitation amounts of less than 1 mm possible.

    Low: 9 °C

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 18.

    High: 18 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 9.

    Low: 9 °C

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    High: 22 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10.

    Low: 10 °C

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 7. Calm wind.
Monday
Mostly sunny, with a high near 19. Southeast wind 10 to 15 km/h becoming south southwest 20 to 25 km/h in the morning. Winds could gust as high as 35 km/h.
Monday Night
Rain, mainly after 11pm. Low around 11. South southeast wind 15 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 90%. New precipitation amounts between 5 and 7.5 mm possible.
Tuesday
Rain, with thunderstorms also possible after 11am. High near 16. Southwest wind around 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 cm possible.
Tuesday Night
A 50 percent chance of rain before 11pm. Partly cloudy, with a low around 9. West southwest wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 30 km/h. New precipitation amounts of less than 1 mm possible.
Wednesday
Sunny, with a high near 18.
Wednesday Night
Mostly clear, with a low around 9.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 20.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Partly sunny, with a high near 19.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Partly sunny, with a high near 19.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW San Luis Obispo CA
 35.31°N 120.67°W (Elev. 535 m)
Last Update:
12:41 am PDT Apr 20, 2026
Forecast Valid:
2am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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