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Weather in Ontario, California, USA

Now
66 °F

Clear.


Feels Like: 66 °F
Forecast: 90 / 62 °F
Wind: No wind

Location: Ontario International Airport
Current Time: Mar 21, 2026 at 6:37:54 am
Latest Report: Mar 21, 2026 at 5:53 am
Visibility: 10 mi
Pressure: 29.87 "Hg
Humidity: 56%
Dew Point: 50 °F
Location of OntarioLocation

Upcoming 5 hours

Now7:00 am8:00 am9:00 am10:00 am11:00 am
66 °F64 °F66 °F70 °F76 °F81 °F

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Forecast for the next 48 hours

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 SaturdaySunday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature70 °F90 °F72 °F62 °F67 °F86 °F71 °F
Partly cloudy.Broken clouds.Cloudy.Cloudy.Cloudy.Partly cloudy.Mostly clear.
Feels Like70 °F86 °F77 °F62 °F67 °F84 °F77 °F
Wind Speed2 mph11 mph5 mph2 mph2 mph8 mph6 mph
Wind DirectionWSW
WSW
WSW
SW
SSW
SW
WSW
Humidity50%23%47%71%55%28%49%
Dew Point50 °F47 °F51 °F53 °F51 °F49 °F51 °F
Visibility7 mi7 mi7 mi7 mi7 mi7 mi7 mi
Probability of Precipitation0%0%0%0%0%0%0%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Saturday, March 21, 2026 12:42:42 am Ontario time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Sunny. 98 / 67 °F
Humidity: 36%. Wind: 5 mph from West

More weather last week

Currently at nearby stations

60 °F

Chino Airport: (6 mi)

Clear.

63 °F

Riverside Municipal Airport: (14 mi)

Clear.

63 °F

Fullerton Municipal Airport: (23 mi)

Clear.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days