Ontario, OR Weather - Extended Forecast

Sunday

Mostly sunny

High:
66°F

Mostly sunny, with a high near 66. South southwest wind 3 to 6 mph.

Sunday Night

Partly cloudy

Overnight low:
44°F

Partly cloudy, with a low around 44. South wind 5 to 7 mph becoming northwest after midnight.

Monday

Mostly sunny then partly sunny

High:
62°F

Mostly sunny, with a high near 62. Breezy.

Monday Night

Partly cloudy

Overnight low:
37°F

Partly cloudy, with a low around 37. Breezy.

Tuesday

Mostly sunny

High:
59°F

Tuesday Night

Mostly clear

Overnight low:
39°F

Wednesday

Sunny

High:
63°F

Wednesday Night

Partly cloudy

Overnight low:
41°F

Thursday

Mostly sunny

High:
70°F

Thursday Night

Chance of showers and thunderstorms

Overnight low:
44°F

Friday

Mostly sunny

High:
70°F