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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 5:21:17 am
Latest Report: Mar 21, 2026 at 4:53 am
Visibility: 10 mi
Pressure: 29.86 "Hg
Humidity: 59%
Dew Point: 51 °F
Location of Ontario Location

Upcoming 5 hours

Now 6:00 am 7:00 am 8:00 am 9:00 am 10:00 am
66 °F 64 °F 64 °F 66 °F 70 °F 76 °F

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Forecast for the next 48 hours

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  Saturday Sunday
  Night Morning Afternoon Evening Night Morning Afternoon
Forecast
Temperature 67 °F 70 °F 90 °F 72 °F 62 °F 67 °F 86 °F
Mostly clear. Partly cloudy. Broken clouds. Cloudy. Cloudy. Cloudy. Partly cloudy.
Feels Like 67 °F 70 °F 86 °F 77 °F 62 °F 67 °F 84 °F
Wind Speed 2 mph 2 mph 11 mph 5 mph 2 mph 2 mph 8 mph
Wind Direction W
↑ 		WSW
↑ 		WSW
↑ 		WSW
↑ 		SW
↑ 		SSW
↑ 		SW
↑
Humidity 60% 50% 23% 47% 71% 55% 28%
Dew Point 52 °F 50 °F 47 °F 51 °F 53 °F 51 °F 49 °F
Visibility 7 mi 7 mi 7 mi 7 mi 7 mi 7 mi 7 mi
Probability of Precipitation 0% 0% 0% 0% 0% 0% 0%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Amount of Snow 0.00" 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-day Hour-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

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