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Weather in Rancho Cucamonga, California, USA

Now
66 °F

Clear.


Feels Like: 66 °F
Forecast: 90 / 64 °F
Wind: No wind

Location: Ontario International Airport
Current Time: Mar 21, 2026 at 6:36:30 am
Latest Report: Mar 21, 2026 at 5:53 am
Visibility: 10 mi
Pressure: 29.87 "Hg
Humidity: 56%
Dew Point: 50 °F

Upcoming 5 hours

Now 7:00 am 8:00 am 9:00 am 10:00 am 11:00 am
66 °F 65 °F 68 °F 72 °F 77 °F 81 °F

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Forecast for the next 48 hours

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  Saturday Sunday
  Morning Afternoon Evening Night Morning Afternoon Evening
Forecast
Temperature 72 °F 89 °F 72 °F 62 °F 69 °F 86 °F 71 °F
Scatt­erred clouds. Mostly cloudy. Cloudy. Cloudy. Overcast. Partly cloudy. Clear.
Feels Like 77 °F 86 °F 77 °F 62 °F 69 °F 83 °F 77 °F
Wind Speed 3 mph 11 mph 5 mph 1 mph 2 mph 7 mph 5 mph
Wind Direction SW
SW
WSW
W
SSW
SSW
WSW
Humidity 43% 22% 46% 67% 50% 28% 48%
Dew Point 48 °F 45 °F 50 °F 51 °F 49 °F 49 °F 50 °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 Rancho Cucamonga 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: (9 mi)

Clear.

63 °F

Riverside Municipal Airport: (14 mi)

Clear.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
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Detailed forecast for 14 days