Saturday
Mostly sunny
High:
47°F
Mostly sunny, with a high near 47. Northeast wind 5 to 11 mph becoming southeast in the morning.
Ontario, OR Weather - Extended Forecast
Saturday Night
Mostly cloudy
Overnight low:
30°F
Mostly cloudy, with a low around 30. Southeast wind 9 to 11 mph.
Sunday
Mostly sunny
High:
56°F
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy
Overnight low:
38°F
Mostly cloudy, with a low around 38.
Monday
Chance of rain
High:
59°F
Monday Night
Rain Likely
Overnight low:
40°F
Tuesday
Rain Likely
High:
56°F
Tuesday Night
Chance of rain
Overnight low:
33°F
Wednesday
Chance of rain
High:
54°F
Wednesday Night
Chance of rain
Overnight low:
33°F
Thursday
Chance of rain or snow
High:
55°F