Fontana, CA Weather - Tomorrow’s Forecast

Friday

Patchy fog

High:
79°F

Patchy fog before 11am. Otherwise, sunny, with a high near 79. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Mostly clear

Overnight low:
54°F

Mostly clear, with a low around 54. West wind 5 to 15 mph, with gusts as high as 25 mph.