Fontana, CA Weather - Tomorrow’s Forecast

Saturday

Mostly sunny

High:
71°F

Mostly sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

Saturday Night

Mostly cloudy

Overnight low:
49°F

Mostly cloudy, with a low around 49. Southwest wind 5 to 10 mph becoming light in the evening.