Fontana, CA Weather - Tomorrow’s Forecast

Saturday

Sunny

High:
100°F

Sunny, with a high near 100. North wind around 5 mph becoming calm.

Mostly clear

Overnight low:
74°F

Mostly clear, with a low around 74. Light and variable wind becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph.