Sunday
Sunny
High:
84°F
Sunny, with a high near 84. Northeast wind around 5 mph becoming calm in the morning.
Ontario, CA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
61°F
Mostly clear, with a low around 61.
Monday
Sunny
High:
83°F
Sunny, with a high near 83.
Monday Night
Partly cloudy
Overnight low:
59°F
Partly cloudy, with a low around 59.
Tuesday
Sunny
High:
82°F
Tuesday Night
Clear
Overnight low:
59°F
Veterans Day
Sunny
High:
82°F
Wednesday Night
Mostly clear
Overnight low:
58°F
Thursday
Mostly sunny
High:
78°F