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.

Mostly Cloudy

59°F

15°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 55°F (13°C)
Visibility 9.00 mi
Last update 18 Oct 11:56 PM PDT
Extended Forecast for

5 Miles S Arroyo Grande CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Northwest wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 68. North northeast wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 15 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. Northwest wind 5 to 10 mph becoming east northeast after midnight.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52. West wind around 5 mph becoming east southeast after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 11am. Mostly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Northwest wind around 5 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 68. North northeast wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 15 mph.
Monday Night
Partly cloudy, with a low around 49. Northwest wind 5 to 10 mph becoming east northeast after midnight.
Tuesday
Partly sunny, with a high near 67. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52. West wind around 5 mph becoming east southeast after midnight. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers. High near 64. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers. Low around 51. Chance of precipitation is 80%.
Thursday
A chance of showers, mainly before 11am. Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Arroyo Grande CA
 35.05°N 120.58°W (Elev. 131 ft)
Last Update:
11:26 pm PDT Oct 18, 2026
Forecast Valid:
12am PDT Oct 19, 2026-6pm PDT Oct 25, 2026
 
Forecast Discussion
 
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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