Fontana, CA Weather - Tomorrow’s Forecast

Friday

Sunny

High:
103°F

Sunny, with a high near 103. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

Friday Night

Clear

Overnight low:
74°F

Clear, with a low around 74. Southwest wind 5 to 10 mph becoming light west after midnight.