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

70°F

21°C

Humidity 56%
Wind Speed WNW 12 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Apr 02:20 PM PDT
Extended Forecast for

Arroyo Grande CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 69. West wind around 10 mph.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. West northwest wind around 5 mph becoming east after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph becoming light south in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 62. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Rain

  • Sunday

    Sunday: Showers likely, mainly before 11am. Partly sunny, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of rain. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Monday

    Monday: A slight chance of rain. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 69. West wind around 10 mph.
Tonight
Mostly cloudy, with a low around 54. West northwest wind around 5 mph becoming east after midnight.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 53. Southwest wind 5 to 10 mph becoming light south in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 62. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Sunday
Showers likely, mainly before 11am. Partly sunny, with a high near 60. Chance of precipitation is 60%.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Monday
A slight chance of rain. Mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arroyo Grande CA
 35.12°N 120.59°W (Elev. 128 ft)
Last Update:
12:27 pm PDT Apr 9, 2026
Forecast Valid:
2pm PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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