Monday
Sunny
High:
74°F
Sunny, with a high near 74. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Ontario, CA Weather - Tomorrow’s Forecast
Monday Night
Mostly clear
Overnight low:
51°F
Mostly clear, with a low around 51. West wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 20 mph.