National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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 44%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Oct 05:05 AM PDT
Extended Forecast for

4 Miles SSW Arroyo Grande CA

Heat Advisory October 17, 05:28am until October 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 17, 05:28am until October 17, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northwest wind 5 to 10 mph becoming east in the evening.

    Low: 50 °F

    Mostly Clear

  • Sunday

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

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 47. North northwest wind 5 to 10 mph.

    Low: 47 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 68. Light north northwest wind becoming northwest 10 to 15 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 11am. Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Tuesday Night

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

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 84. East wind 10 to 15 mph becoming west southwest in the afternoon.
Tonight
Mostly clear, with a low around 50. Northwest wind 5 to 10 mph becoming east in the evening.
Sunday
Sunny, with a high near 73. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 47. North northwest wind 5 to 10 mph.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 68. Light north northwest wind becoming northwest 10 to 15 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
A 30 percent chance of showers after 11am. Partly sunny, with a high near 63.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 53.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 63.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53.
Thursday
A slight chance of showers. Mostly sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 65.
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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:
12:41 am PDT Oct 17, 2026
Forecast Valid:
5am PDT Oct 17, 2026-6pm PDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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