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Weather in Ontario, California, USA

Now
21 °C

Clear.


Feels Like: 21 °C
Forecast: 29 / 12 °C
Wind: No wind

Location: Ontario International Airport
Current Time: 20 Oct 2025, 23:17:30
Latest Report: 20 Oct 2025, 22:53
Visibility: 16 km
Pressure: 1017 mbar
Humidity: 45%
Dew Point: 8 °C
Location of OntarioLocation

Upcoming 5 hours

Now00:0001:0002:0003:0004:00
21 °C17 °C16 °C15 °C15 °C14 °C

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Forecast for the next 48 hours

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 MondayTuesdayWednesday
 EveningNightMorningAfternoonEveningNightMorning
Forecast
Temperature20 °C15 °C18 °C28 °C19 °C16 °C15 °C
Clear.Clear.Sunny.Sunny.Partly cloudy.Mostly clear.Scatt­erred clouds.
Feels Like20 °C15 °C18 °C27 °C19 °C16 °C15 °C
Wind Speed4 mph1 mph1 mph7 mph6 mph4 mph6 mph
Wind DirectionW
W
WSW
WSW
SW
WSW
WSW
Humidity56%73%50%28%65%83%82%
Dew Point11 °C10 °C8 °C8 °C12 °C13 °C12 °C
Visibility11 km11 km12 km14 km11 km10 km13 km
Probability of Precipitation0%0%0%0%0%3%5%
Amount of Rain0.0 mm0.0 mm0.0 mm0.0 mm0.0 mm0.0 mm0.0 mm
Amount of Snow0.0 mm0.0 mm0.0 mm0.0 mm0.0 mm0.0 mm0.0 mm
* Updated Monday, 20 October 2025 18:42:31 Ontario time - Weather by CustomWeather, © 2025

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Passing clouds. 29 / 15 °C
Humidity: 41%. Wind: 4 mph from West

More weather last week

Currently at nearby stations

18 °C

Chino Airport: (10 km)

Clear. (1 hour ago)

18 °C

Riverside Municipal Airport: (23 km)

Clear.

18 °C

Fullerton Municipal Airport: (37 km)

Clear. (1 hour ago)

More weather in USA

Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
19
20

View historic weather

5
6
7
8

Detailed forecast for 14 days