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.

Clear

59°F

15°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Mar 02:00 AM PDT
Extended Forecast for

3 Miles NNW San Luis Obispo CA

Extreme Heat Warning March 18, 02:18am until March 20, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning March 18, 02:18am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Northeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. West southwest wind 5 to 10 mph becoming northeast in the evening.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 72. Northwest wind 10 to 15 mph becoming northeast in the evening.

    Low: 72 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 71. Northeast wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 93. Northeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 72. West southwest wind 5 to 10 mph becoming northeast in the evening.
Thursday
Sunny, with a high near 95. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 72. Northwest wind 10 to 15 mph becoming northeast in the evening.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 69.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW San Luis Obispo CA
 35.31°N 120.67°W (Elev. 535 ft)
Last Update:
1:58 am PDT Mar 18, 2026
Forecast Valid:
2am PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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