California · NWS LOX office

San Luis Obispo, CA weather

It is 55°F and clear at San Luis Obispo, San Luis Obispo County-Mc Chesney Field as of Oct 27, 11:15 PM PDT. Tonight: Mostly Cloudy, low near 52°F. Forecast from the National Weather Service, issued Oct 27, 9:17 PM PDT.

Updated Oct 27, 11:23 PM PDT (snapshot)

Current conditions

Temperature

55°F

Clear

Wind

ESE 3 mph

Humidity 88% · dew point 52°F

Pressure · visibility

29.99 inHg

Visibility 10 mi

Observed at San Luis Obispo, San Luis Obispo County-Mc Chesney Field (KSBP), Oct 27, 11:15 PM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the San Luis Obispo forecast zone right now.

Around the NWS LOX forecast area

1 active alert covers zones served by the LOX office near San Luis Obispo:

  • Coastal Flood Advisory

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. California has 8 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for San Luis Obispo (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM57°FMostly Cloudy0%N 5 mph
Wed 12 AM56°FMostly Cloudy0%N 5 mph
Wed 1 AM54°FMostly Cloudy0%N 5 mph
Wed 2 AM54°FMostly Cloudy0%NNE 5 mph
Wed 3 AM54°FMostly Cloudy0%NNE 5 mph
Wed 4 AM53°FMostly Cloudy0%NNE 5 mph
Wed 5 AM54°FMostly Cloudy0%NE 5 mph
Wed 6 AM53°FPartly Sunny0%NE 5 mph
Wed 7 AM52°FPartly Sunny0%NE 5 mph
Wed 8 AM54°FPartly Sunny0%NE 5 mph
Wed 9 AM59°FPartly Sunny0%NE 5 mph
Wed 10 AM64°FPartly Sunny0%NE 5 mph
Wed 11 AM70°FMostly Sunny0%NNE 5 mph
Wed 12 PM72°FMostly Sunny0%NNE 5 mph
Wed 1 PM72°FMostly Sunny0%NNE 5 mph
Wed 2 PM73°FMostly Sunny0%NW 10 mph
Wed 3 PM70°FMostly Sunny0%NW 10 mph
Wed 4 PM66°FMostly Sunny0%NW 10 mph
Wed 5 PM64°FMostly Cloudy0%NW 10 mph
Wed 6 PM58°FMostly Cloudy0%NW 10 mph
Wed 7 PM56°FMostly Cloudy0%NW 10 mph
Wed 8 PM57°FMostly Cloudy0%NNW 5 mph
Wed 9 PM56°FMostly Cloudy0%NNW 5 mph
Wed 10 PM56°FMostly Cloudy0%NNW 5 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in San Luis Obispo can differ.

7-day forecast

Tonight

Low 52°F

Mostly cloudy, with a low around 52. Northeast wind 10 to 15 mph.

Wednesday

High 73°F·Low 53°F

Partly sunny, with a high near 73. North northwest wind 0 to 10 mph.

Wednesday Night: Mostly cloudy, with a low around 53. East northeast wind 0 to 10 mph.

Thursday

High 71°F·Low 56°F

Mostly cloudy, with a high near 71. South wind 0 to 10 mph.

Thursday Night: Mostly cloudy, with a low around 56. West wind 0 to 10 mph.

Friday

High 69°F·Low 53°F

Mostly sunny, with a high near 69.

Friday Night: Partly cloudy, with a low around 53.

Saturday

High 65°F·Low 51°F

A chance of rain showers after 11am. Mostly cloudy, with a high near 65.

Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 51.

Sunday

High 68°F·Low 51°F

A slight chance of rain showers before 10am. Sunny, with a high near 68.

Sunday Night: Mostly clear, with a low around 51.

Monday

High 72°F·Low 54°F

Sunny, with a high near 72.

Monday Night: A slight chance of rain showers after 4am. Partly cloudy, with a low around 54.

Tuesday

High 71°F

A slight chance of rain showers. Mostly sunny, with a high near 71.

Nearby cities

Larger cities in the area

Other cities in San Luis Obispo County

See every city we cover in California, or check all active alerts.

About this forecast

Forecast office
San Luis Obispo is served by the National Weather Service LOX forecast office, forecast zone CAZ341, county zone CAC079.
Location used
The Census Bureau's internal point for San Luis Obispo (35.2662, -120.6684), in San Luis Obispo County. Population: 49,729 (2024 estimate), number 179 of the 296 California cities on this site.
Radar
Nearest NWS radar: KVBX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/35.2662,-120.6684 (forecast issued Oct 27, 9:17 PM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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