Ontario, OR Weather - Tomorrow’s Forecast

Monday

Hot

High:
95°F

Cloudy, then gradually becoming mostly sunny and hot, with a high near 95. Southeast wind around 5 mph becoming calm in the afternoon.

Monday Night

Slight chance of thunderstorms

Overnight low:
66°F

A 20 percent chance of showers and thunderstorms before midnight. Cloudy during the early evening, then becoming partly cloudy, with a low around 66. North northwest wind 5 to 10 mph.