Fontana, CA Weather - Tomorrow’s Forecast

Monday

Sunny

High:
83°F

Sunny, with a high near 83. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Mostly clear

Overnight low:
58°F

Mostly clear, with a low around 58. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.