Ontario, CA Weather - Tomorrow’s Forecast

Sunday

Sunny

High:
83°F

Sunny, with a high near 83. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

Mostly clear

Overnight low:
53°F

Mostly clear, with a low around 53. West wind 5 to 10 mph becoming light after midnight.