Monday
Sunny
High:
71°F
Sunny, with a high near 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Ontario, CA Weather - Extended Forecast
Monday Night
Mostly clear
Overnight low:
50°F
Mostly clear, with a low around 50.
Tuesday
Sunny
High:
76°F
Sunny, with a high near 76.
Tuesday Night
Clear
Overnight low:
52°F
Clear, with a low around 52.
Wednesday
Sunny
High:
77°F
Wednesday Night
Mostly clear
Overnight low:
51°F
Thursday
Sunny
High:
76°F
Thursday Night
Clear
Overnight low:
51°F
Friday
Sunny
High:
76°F