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

95°F

35°C

Humidity 13%
Wind Speed S 5 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 17 Oct 12:35 PM PDT
Extended Forecast for

4 Miles SSW Arroyo Grande CA

Heat Advisory October 17, 12:58pm until October 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 17, 12:58pm until October 17, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northwest wind 5 to 10 mph becoming east in the evening.

    Low: 54 °F

    Mostly Clear

  • Sunday

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

    Low: 51 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, partly 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 Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, cloudy, with a low around 48.

    Low: 48 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Southeast wind 10 to 15 mph becoming west southwest.
Tonight
Mostly clear, with a low around 54. Northwest wind 5 to 10 mph becoming east in the evening.
Sunday
Increasing clouds, with a high near 73. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunday Night
Patchy fog. Otherwise, cloudy, with a low around 51. North northwest wind 5 to 10 mph.
Monday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 68. Light north northwest wind becoming northwest 10 to 15 mph in the afternoon.
Monday Night
Patchy fog. Otherwise, cloudy, with a low around 48.
Tuesday
A 20 percent chance of showers after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 66.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55.
Wednesday
Showers likely. Mostly cloudy, with a high near 65.
Wednesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 55.
Thursday
A chance of showers. Partly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 54.
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:
11:26 am PDT Oct 17, 2026
Forecast Valid:
12pm PDT Oct 17, 2026-6pm PDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation