National Weather Service

News Headlines

Current conditions at

Ontario International Airport (KONT)

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

Rain

58°F

14°C

Humidity	93%
Wind Speed	WSW 6 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	56°F (13°C)
Visibility	7.00 mi
Last update	12 Oct 05:53 AM PDT

More Information:

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

Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

Columbus Day
High: 64 °F
Showers
Likely
Tonight
Low: 52 °F
Slight Chance
Showers then
Partly Cloudy
Tuesday
High: 71 °F
Sunny
Tuesday Night
Low: 53 °F
Clear
Wednesday
High: 79 °F
Sunny
Wednesday Night
Low: 56 °F
Clear
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 63 °F
Clear and
Breezy
Friday
High: 85 °F
Sunny

Detailed Forecast

Columbus Day

Showers likely, mainly before 11am. Mostly cloudy, with a high near 64. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

A slight chance of showers before 11pm. Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 20%.

Tuesday

Sunny, with a high near 71. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.

Tuesday Night

Clear, with a low around 53. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

Wednesday

Sunny, with a high near 79. Northeast wind around 5 mph becoming calm.

Wednesday Night

Clear, with a low around 56.

Thursday

Sunny, with a high near 86.

Thursday Night

Clear, with a low around 63. Breezy.