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

79°F

26°C

Humidity 36%
Wind Speed S 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Mar 07:00 PM PDT
Extended Forecast for

3 Miles N Arroyo Grande CA

Heat Advisory March 18, 07:19pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 07:19pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. North northeast wind around 5 mph becoming southwest in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. West wind 5 to 10 mph becoming northeast in the evening.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Southwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 95. North northeast wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 58. West wind 5 to 10 mph becoming northeast in the evening.
Friday
Sunny, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Arroyo Grande CA
 35.17°N 120.58°W (Elev. 525 ft)
Last Update:
2:20 pm PDT Mar 18, 2026
Forecast Valid:
7pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation