Ontario, OR Weather - Tomorrow’s Forecast

Saturday

Mostly sunny

High:
67°F

Mostly sunny, with a high near 67. West northwest wind 11 to 13 mph, with gusts as high as 23 mph.

Saturday Night

Partly cloudy

Overnight low:
48°F

Partly cloudy, with a low around 48. North northwest wind 9 to 11 mph.