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

46°F

8°C

Humidity 93%
Wind Speed WNW 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 24 Jan 07:15 AM PST
Extended Forecast for

Arroyo Grande CA

  • Today

    Today: Cloudy through mid morning, then clearing, with a high near 62. Calm wind becoming north northwest around 5 mph in the morning.

    High: 62 °F

    Clearing

  • Tonight

    Tonight: Mostly clear, with a low around 43. North wind around 5 mph becoming calm.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 66. East northeast wind 5 to 10 mph becoming west in the afternoon.

    High: 66 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 66. Calm wind becoming southwest around 5 mph.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 10am. Partly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Cloudy through mid morning, then clearing, with a high near 62. Calm wind becoming north northwest around 5 mph in the morning.
Tonight
Mostly clear, with a low around 43. North wind around 5 mph becoming calm.
Sunday
Increasing clouds, with a high near 66. East northeast wind 5 to 10 mph becoming west in the afternoon.
Sunday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Monday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 66. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A slight chance of rain after 10am. Partly sunny, with a high near 65.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arroyo Grande CA
 35.12°N 120.57°W (Elev. 128 ft)
Last Update:
1:06 am PST Jan 24, 2026
Forecast Valid:
7am PST Jan 24, 2026-6pm PST Jan 30, 2026
 
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Additional Resources

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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