Clear sky 16°

Clear sky, feels like 15°.

Ontario, California, United States · Tuesday, 3 November 2026 19:45 local time

Low/High
11°/24°
Humidity
75%
Visibility
18.5 km
Wind
9.4 km/h
Dew point
12°
UV
0.0

Next 24 Hours

Ontario Hourly Weather

Ontario 7-Day Forecast

Ontario 7-Day Forecast
DateLow/HighWeatherChance of rainWindSummary
11 °/24 ° Overcast Overcast 0% 18 km/h
Today Weather

Low/High11°/24°

Humidity57%

Pressure979 hPa

Sunrise/Sunset

12 °/23 ° Partly cloudy Partly cloudy 0% 9 km/h
Wed 4 Nov Weather

Low/High12°/23°

Humidity70%

Pressure977 hPa

Sunrise/Sunset

12 °/27 ° Overcast Overcast 0% 9 km/h
Thu 5 Nov Weather

Low/High12°/27°

Humidity48%

Pressure979 hPa

Sunrise/Sunset

18 °/27 ° Clear sky Clear sky 0% 7 km/h
Fri 6 Nov Weather

Low/High18°/27°

Humidity20%

Pressure980 hPa

Sunrise/Sunset

19 °/28 ° Clear sky Clear sky 0% 9 km/h
Sat 7 Nov Weather

Low/High19°/28°

Humidity17%

Pressure980 hPa

Sunrise/Sunset

19 °/28 ° Clear sky Clear sky 0% 8 km/h
Sun 8 Nov Weather

Low/High19°/28°

Humidity14%

Pressure979 hPa

Sunrise/Sunset

20 °/27 ° Overcast Overcast 0% 11 km/h
Mon 9 Nov Weather

Low/High20°/27°

Humidity19%

Pressure978 hPa

Sunrise/Sunset

Ontario Weather Summary

Ontario, Tuesday 3 November 2026: clear sky, 16°C (feels like 15°C), with a range of 11–24°C today. The chance of rain over the next 24 hours is low (0% at most). Tomorrow: partly cloudy, 12–23°C — see weather tomorrow or the hourly forecast.

Updated at 19:48 local time, 3 November 2026

Ontario Hourly Temperature and Chance of Rain

Ontario Temperature and Chance of Rain, Next Days

About Ontario

Ontario is a city in California, the United States. The forecast uses the local point at 34.06°N, 117.65°W, about 307 m above sea level. Local time is UTC−8 (America/Los Angeles). Data combine the ECMWF, ICON and GFS weather models and refresh every 15 minutes; for official warnings, follow the national weather service.

Ontario Air Quality

Moderate · AQI 51

Air quality is acceptable; people who are unusually sensitive should consider limiting prolonged outdoor exertion.

PM2.5 (µg/m³)21
PM10 (µg/m³)23
O₃ (µg/m³)11
NO₂ (µg/m³)75
SO₂ (µg/m³)6.1
CO (µg/m³)322
Windy Map