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

90°F

32°C

Humidity 27%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 31 Aug 11:30 AM PDT
Extended Forecast for

Arroyo Grande CA

Heat Advisory until August 31, 06:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 31, 06:00pm

    NOW until 6:00pm Sun

    Heat Advisory

  • Today

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. West wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the morning.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 55. West wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 83. Light north northwest wind becoming west 5 to 10 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55.

    Low: 55 °F

    Patchy Fog

Detailed Forecast

Today
Sunny, with a high near 91. South southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 57. West wind around 5 mph becoming calm in the evening.
Labor Day
Sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the morning.
Monday Night
Increasing clouds, with a low around 55. West wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 83. Light north northwest wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 73.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56.
Friday
Patchy fog. Otherwise, partly sunny, with a high near 72.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 56.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arroyo Grande CA
 35.12°N 120.57°W (Elev. 128 ft)
Last Update:
9:18 am PDT Aug 31, 2025
Forecast Valid:
11am PDT Aug 31, 2025-6pm PDT Sep 6, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation