Sunday
Chance of showers and thunderstorms
High:
73°F
A 20 percent chance of showers. Mostly sunny, with a high near 73.
Ontario, OR Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
49°F
Mostly clear, with a low around 49.
Monday
Sunny
High:
80°F
Sunny, with a high near 80.
Monday Night
Mostly clear
Overnight low:
53°F
Mostly clear, with a low around 53.
Tuesday
Sunny
High:
87°F
Tuesday Night
Mostly clear
Overnight low:
56°F
Wednesday
Hot
High:
92°F
Wednesday Night
Mostly clear
Overnight low:
62°F
Thursday
Hot
High:
94°F