Fontana, CA Weather - Tomorrow’s Forecast

Friday

Sunny

High:
87°F

Sunny, with a high near 87. Windy, with a north wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph.

Friday Night

Mostly clear

Overnight low:
66°F

Mostly clear, with a low around 66. North wind 15 to 20 mph, with gusts as high as 30 mph.