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

64°F

18°C

Humidity 45%
Wind Speed SE 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Oct 11:35 PM PDT
Extended Forecast for

4 Miles SSW Arroyo Grande CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. East northeast wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 73. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 73 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, cloudy, with a low around 51. West northwest wind 5 to 10 mph.

    Low: 51 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 68. Light and variable wind becoming west northwest 10 to 15 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 48. Northwest wind 5 to 15 mph.

    Low: 48 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers. Mostly cloudy, with a high near 63.

    High: 63 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 54. East northeast wind around 5 mph.
Sunday
Increasing clouds, with a high near 73. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Sunday Night
Patchy fog. Otherwise, cloudy, with a low around 51. West northwest wind 5 to 10 mph.
Monday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 68. Light and variable wind becoming west northwest 10 to 15 mph in the afternoon.
Monday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 48. Northwest wind 5 to 15 mph.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 66.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Wednesday
Showers. Mostly cloudy, with a high near 63.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54.
Thursday
A chance of showers. Partly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Arroyo Grande CA
 35.07°N 120.61°W (Elev. 66 ft)
Last Update:
11:26 pm PDT Oct 17, 2026
Forecast Valid:
11pm PDT Oct 17, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation