Saturday
Becoming sunny
High:
89°F
Partly sunny, then gradually becoming sunny, with a high near 89. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Fontana, CA Weather - Tomorrow’s Forecast
Saturday Night
Clear
Overnight low:
62°F
Clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.