Rancho Cucamonga Weather Forecast for Tomorrow

Friday

Mostly sunny

Mostly sunny

High:
65°F
(18°C)

Mostly sunny, with a high near 65. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Mostly cloudy

Mostly cloudy

Low:
49°F
(9°C)

Mostly cloudy, with a low around 49. West wind 5 to 10 mph, with gusts as high as 20 mph.