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

41°F

5°C

Humidity 92%
Wind Speed SE 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Jan 03:56 AM PST
Extended Forecast for

Arroyo Grande CA

  • Today

    Today: Mostly sunny, with a high near 77. East wind around 5 mph becoming northwest in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Northeast wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Northeast wind around 5 mph becoming west in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. Calm wind becoming northeast around 5 mph.

    Low: 49 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 74. East northeast wind around 5 mph becoming northwest in the morning.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49.

    Low: 49 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 77. East wind around 5 mph becoming northwest in the afternoon.
Tonight
Mostly cloudy, with a low around 52. Northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 75. Northeast wind around 5 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 49. Calm wind becoming northeast around 5 mph.
M.L.King Day
Sunny, with a high near 74. East northeast wind around 5 mph becoming northwest in the morning.
Monday Night
Clear, with a low around 50.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 68.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 48.
Thursday
Patchy fog. Otherwise, partly sunny, with a high near 65.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Friday
Patchy fog. Otherwise, partly sunny, with a high near 63.
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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:
2:52 am PST Jan 17, 2026
Forecast Valid:
4am PST Jan 17, 2026-6pm PST Jan 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation