Ontario, CA Weather - Extended Forecast

Friday

Sunny

High:
78°F

Sunny, with a high near 78.

Friday Night

Mostly clear

Overnight low:
51°F

Mostly clear, with a low around 51.

Saturday

Sunny

High:
77°F

Sunny, with a high near 77.

Saturday Night

Mostly clear

Overnight low:
50°F

Mostly clear, with a low around 50.

Sunday

Sunny

High:
71°F

Sunday Night

Mostly clear

Overnight low:
47°F

Monday

Sunny

High:
67°F

Monday Night

Mostly clear

Overnight low:
45°F

Tuesday

Sunny

High:
66°F