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

59°F

15°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Sep 07:05 AM PDT
Extended Forecast for

Arroyo Grande CA

  • Today

    Today: Sunny, with a high near 78. Breezy, with a north wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Northwest wind 10 to 15 mph becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. East wind 5 to 10 mph becoming west in the morning.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 54. West northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 54 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Breezy, with a north wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Increasing clouds, with a low around 55. Northwest wind 10 to 15 mph becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. East wind 5 to 10 mph becoming west in the morning.
Tuesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 54. West northwest wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Arroyo Grande CA
 35.12°N 120.59°W (Elev. 128 ft)
Last Update:
2:41 am PDT Sep 14, 2026
Forecast Valid:
7am PDT Sep 14, 2026-6pm PDT Sep 20, 2026
 
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