Fontana, CA Weather - Tomorrow’s Forecast

Wednesday

Becoming sunny

High:
66°F

Cloudy through mid morning, then gradual clearing, with a high near 66. North wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

Wednesday Night

Mostly clear

Overnight low:
44°F

Mostly clear, with a low around 44. Windy, with a north wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 45 mph.