Monday
Partly sunny
High:
83°F
Partly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Fontana, CA Weather - Tomorrow’s Forecast
Monday Night
Partly cloudy
Overnight low:
58°F
Partly cloudy, with a low around 58. West wind 5 to 10 mph becoming light. Winds could gust as high as 20 mph.