National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (KSBP)

Lat: 35.23611°NLon: 120.63611°WElev: 207.0ft.

Clear

43°F

6°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 19 Nov 12:20 AM PST
Extended Forecast for

Arroyo Grande CA

  • Overnight

    Overnight: Partly cloudy, with a low around 46. North northeast wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 61. Light and variable wind becoming west 5 to 10 mph in the morning.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 49. Calm wind.

    Low: 49 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers likely, mainly before 4pm. Cloudy, with a high near 55. East southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 44. North northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. North northeast wind around 5 mph.
Wednesday
Sunny, with a high near 61. Light and variable wind becoming west 5 to 10 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 49. Calm wind.
Thursday
Showers likely, mainly before 4pm. Cloudy, with a high near 55. East southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 44. North northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 63.
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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:
9:31 pm PST Nov 18, 2025
Forecast Valid:
12am PST Nov 19, 2025-6pm PST Nov 25, 2025
 
Forecast Discussion
 
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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