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Current conditions at

Ontario International Airport (KONT)

Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.

Overcast

62°F

17°C

Humidity	62%
Wind Speed	SW 13 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	04 May 05:53 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Rancho Cucamonga CA

Tonight
Low: 50 °F
Rain Likely
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 50 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 51 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 54 °F
Mostly Clear

Detailed Forecast

Tonight

Rain likely, mainly after 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 50. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Sunny, with a high near 67. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 47. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 25 mph.

Monday

Sunny, with a high near 73. Light south wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

Monday Night

Mostly clear, with a low around 50. Southwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.

Tuesday

Sunny, with a high near 75.

Tuesday Night

Mostly clear, with a low around 51.