Thursday
Sunny
High:
76°F
Sunny, with a high near 76. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Ontario, CA Weather - Tomorrow’s Forecast
Thursday Night
Mostly clear
Overnight low:
55°F
Mostly clear, with a low around 55. West wind 5 to 10 mph, with gusts as high as 20 mph.