Friday
Sunny
High:
71°F
Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
Ontario, CA Weather - Extended Forecast
Friday Night
Partly cloudy
Overnight low:
44°F
Partly cloudy, with a low around 44.
Saturday
Chance of showers
High:
58°F
A chance of showers, mainly after 10am. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
Saturday Night
Showers likely
Overnight low:
41°F
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41.
Sunday
Showers likely
High:
55°F
Sunday Night
Chance of showers
Overnight low:
39°F
Monday
Chance of showers
High:
59°F
Monday Night
Chance of showers and thunderstorms
Overnight low:
39°F
Tuesday
Sunny
High:
62°F