Fontana, CA Weather - Tomorrow’s Forecast

Sunday

Patchy fog

High:
67°F

Patchy fog before 10am. Otherwise, mostly sunny, with a high near 67. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

Sunday Night

Mostly clear

Overnight low:
47°F

Mostly clear, with a low around 47. Light and variable wind becoming north 15 to 20 mph after midnight. Winds could gust as high as 35 mph.