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Weather in Rancho Cucamonga, California, USA

Now
52 °F

Passing clouds.


Feels Like: 52 °F
Forecast: 72 / 53 °F
Wind: No wind

Location: Ontario International Airport
Current Time: Jan 21, 2026 at 3:40:59 am
Latest Report: Jan 21, 2026 at 2:53 am
Visibility: 10 mi
Pressure: 30.06 "Hg
Humidity: 66%
Dew Point: 41 °F
Location of Rancho CucamongaLocation

Upcoming 5 hours

Now4:00 am5:00 am6:00 am7:00 am8:00 am
52 °F56 °F55 °F54 °F55 °F56 °F

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Forecast for the next 48 hours

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 WednesdayThursday
 NightMorningAfternoonEveningNightMorningAfternoon
Forecast
Temperature57 °F61 °F71 °F58 °F54 °F57 °F64 °F
Overcast.Overcast.Overcast.Overcast.Overcast.Drizzle. Overcast.Sprin­kles. Broken clouds.
Feels Like57 °F61 °F76 °F59 °F54 °F57 °F64 °F
Wind Speed3 mph1 mph3 mph3 mph2 mph4 mph4 mph
Wind DirectionN
ESE
SSW
WSW
WSW
NW
E
Humidity44%39%30%67%71%64%52%
Dew Point36 °F36 °F38 °F47 °F45 °F45 °F46 °F
Visibility8 mi8 mi7 mi7 mi7 mi3 mi4 mi
Probability of Precipitation0%0%0%0%0%23%21%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.02"0.02"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Tuesday, January 20, 2026 11:42:40 pm Rancho Cucamonga time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Partly sunny. 77 / 50 °F
Humidity: 42%. Wind: 2 mph from West

More weather last week

Currently at nearby stations

47 °F

Chino Airport: (9 mi)

Clear.

50 °F

Riverside Municipal Airport: (14 mi)

Clear.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
18
19
20

View historic weather

5
6
7

Detailed forecast for 14 days