California · NWS LOX office

Pomona, CA weather

It is 54°F at CLAREMONT as of Oct 28, 1:55 AM PDT. Overnight: Patchy Fog, low near 56°F. Forecast from the National Weather Service, issued Oct 28, 1:41 AM PDT.

Updated Oct 28, 2:15 AM PDT (snapshot)

Current conditions

Temperature

54°F

Mostly Cloudy

Wind

N 2 mph, gusts 5 mph

Humidity 80% · dew point 48°F

Pressure · visibility

—

Visibility —

Observed at CLAREMONT (CMOC1), Oct 28, 1:55 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Pomona forecast zone right now.

Around the NWS LOX forecast area

1 active alert covers zones served by the LOX office near Pomona:

  • Coastal Flood Advisory

From the alert snapshot of Oct 28, 2026, 5:12 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 Pomona (local time)
TimeTempForecastPrecip. chanceWind
Wed 2 AM57°FMostly Cloudy0% 0 mph
Wed 3 AM57°FMostly Cloudy0% 0 mph
Wed 4 AM56°FMostly Cloudy0% 0 mph
Wed 5 AM56°FPatchy Fog0%NE 5 mph
Wed 6 AM56°FPatchy Fog0%NE 5 mph
Wed 7 AM56°FPatchy Fog0%NE 5 mph
Wed 8 AM56°FPatchy Fog0% 0 mph
Wed 9 AM59°FPatchy Fog0% 0 mph
Wed 10 AM63°FPatchy Fog0% 0 mph
Wed 11 AM66°FMostly Sunny0% 0 mph
Wed 12 PM70°FMostly Sunny0% 0 mph
Wed 1 PM73°FMostly Sunny0% 0 mph
Wed 2 PM75°FMostly Sunny0%SW 5 mph
Wed 3 PM75°FMostly Sunny0%SW 5 mph
Wed 4 PM75°FMostly Sunny0%SW 5 mph
Wed 5 PM72°FPartly Sunny0%SW 5 mph
Wed 6 PM67°FMostly Cloudy0%SW 5 mph
Wed 7 PM66°FMostly Cloudy0%SW 5 mph
Wed 8 PM64°FMostly Cloudy0%WSW 5 mph
Wed 9 PM62°FMostly Cloudy0%WSW 5 mph
Wed 10 PM61°FMostly Cloudy0%WSW 5 mph
Wed 11 PM61°FMostly Cloudy0% 0 mph
Thu 12 AM59°FMostly Cloudy0% 0 mph
Thu 1 AM59°FMostly Cloudy0% 0 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 Pomona can differ.

7-day forecast

Overnight

Low 56°F

Patchy fog after 5am. Mostly cloudy, with a low around 56. East southeast wind 0 to 5 mph.

Wednesday

High 75°F·Low 56°F

Patchy fog before 11am. Partly sunny, with a high near 75. South southeast wind 0 to 5 mph.

Wednesday Night: Mostly cloudy, with a low around 56. South southwest wind 0 to 5 mph.

Thursday

High 74°F·Low 57°F

Partly sunny, with a high near 74. South wind 0 to 5 mph.

Thursday Night: Mostly cloudy, with a low around 57. Southwest wind around 5 mph.

Friday

High 69°F·Low 55°F

Partly sunny, with a high near 69.

Friday Night: Mostly cloudy, with a low around 55.

Saturday

High 68°F·Low 56°F

A chance of rain showers after 5pm. Mostly cloudy, with a high near 68.

Saturday Night: Rain showers likely. Mostly cloudy, with a low around 56.

Sunday

High 69°F·Low 53°F

A chance of rain showers before 4pm. Partly sunny, with a high near 69.

Sunday Night: Mostly clear, with a low around 53.

Monday

High 73°F·Low 55°F

Sunny, with a high near 73.

Monday Night: Mostly clear, with a low around 55.

Tuesday

High 74°F

Mostly sunny, with a high near 74.

Nearby cities

Larger cities in the area

Other cities in Los Angeles County

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

About this forecast

Forecast office
Pomona is served by the National Weather Service LOX forecast office, forecast zone CAZ548, county zone CAC037.
Location used
The Census Bureau's internal point for Pomona (34.0585, -117.7611), in Los Angeles County. Population: 147,966 (2024 estimate), number 39 of the 296 California cities on this site.
Radar
Nearest NWS radar: KSOX. 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/34.0585,-117.7611 (forecast issued Oct 28, 1:41 AM 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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