Ontario, CA Weather - Extended Forecast

Wednesday

Sunny

High:
70°F

Sunny, with a high near 70. Northeast wind 5 to 10 mph becoming southwest in the afternoon.

Wednesday Night

Mostly clear

Overnight low:
49°F

Mostly clear, with a low around 49.

Thursday

Sunny

High:
65°F

Sunny, with a high near 65.

Thursday Night

Partly cloudy

Overnight low:
49°F

Partly cloudy, with a low around 49.

Friday

Partly sunny

High:
60°F

Friday Night

Rain Likely

Overnight low:
49°F

Saturday

Rain Likely

High:
55°F

Saturday Night

Showers likely

Overnight low:
42°F

Sunday

Chance of showers

High:
55°F