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

73°F

23°C

Humidity 42%
Wind Speed W 8 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 23 Mar 08:56 AM PDT
Extended Forecast for

Arroyo Grande CA

Heat Advisory March 23, 10:00am until March 24, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 90. North wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. North wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Northeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56. Northwest wind 5 to 10 mph becoming northeast after midnight.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Northeast wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 15 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

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

    Low: 55 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 90. North wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 57. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 91. Northeast wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Clear, with a low around 56. Northwest wind 5 to 10 mph becoming northeast after midnight.
Wednesday
Sunny, with a high near 87. Northeast wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 84.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55.
Friday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 84.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 79.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 79.
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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:
8:51 am PDT Mar 23, 2026
Forecast Valid:
9am PDT Mar 23, 2026-6pm PDT Mar 29, 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