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

55°F

13°C

Humidity 62%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Oct 06:35 AM PDT
Extended Forecast for

4 Miles SSW Arroyo Grande CA

  • Today

    Today: 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

  • Tonight

    Tonight: 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, increasing clouds, 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. Northeast wind 5 to 10 mph becoming south southwest in the morning.

    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. High near 63. Chance of precipitation is 80%.

    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

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 73. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Tonight
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, increasing clouds, with a low around 48. Northwest wind 5 to 15 mph.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 66. Northeast wind 5 to 10 mph becoming south southwest in the morning.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Wednesday
Showers. High near 63. Chance of precipitation is 80%.
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:
12:46 am PDT Oct 18, 2026
Forecast Valid:
6am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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