Friday
Rain
High:
58°F
Rain, mainly before 10am. High near 58. Chance of precipitation is 80%.
Ontario, CA Weather - Extended Forecast
Friday Night
Chance of rain
Overnight low:
46°F
A slight chance of rain before 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.
Saturday
Mostly sunny
High:
64°F
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy
Overnight low:
44°F
Partly cloudy, with a low around 44.
Sunday
Mostly sunny
High:
66°F
Sunday Night
Partly cloudy
Overnight low:
44°F
Monday
Sunny
High:
64°F
Monday Night
Partly cloudy
Overnight low:
43°F
Tuesday
Mostly sunny
High:
63°F