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

64°F

18°C

Humidity 72%
Wind Speed WNW 4 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 Aug 08:35 PM PDT
Extended Forecast for

4 Miles SE Arroyo Grande CA

Heat Advisory August 26, 08:59pm until August 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 08:59pm until August 28, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly cloudy, with a high near 82. Northwest wind 5 to 10 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Cloudy, with a low around 60. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers. Mostly cloudy, with a high near 80. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. West northwest wind around 5 mph becoming north after midnight.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 82. Northwest wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers. Cloudy, with a low around 60. North wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 80. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Partly sunny, with a high near 62.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 52.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 64.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 55.
Wednesday
A slight chance of showers. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Arroyo Grande CA
 35.08°N 120.56°W (Elev. 262 ft)
Last Update:
11:26 am PDT Aug 26, 2026
Forecast Valid:
8pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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