10-Day Weather Forecast - Ontario, WI

Mostly sunny. Colder with highs in the mid 20s. Southwest winds 5 to 10 mph.

Mostly cloudy. Not as cold with lows around 17. Temperature rising into the upper 20s after midnight. South winds 5 to 10 mph.

Not as cold. Mostly cloudy. Highs in the upper 30s. South winds 5 to 10 mph.

Not as cold. Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s. South winds around 5 mph becoming west after midnight.

Mostly sunny. Highs in the upper 30s.

Mostly cloudy. Lows in the lower 20s.

Cloudy. Highs in the upper 30s. Lows in the lower 30s.

Cloudy. Highs in the upper 30s. Lows in the lower 30s.

Mostly cloudy. Highs in the mid 40s. Lows in the upper 20s.

Mostly cloudy. Highs in the mid 40s. Lows in the upper 20s.

Mostly cloudy. Highs in the upper 30s. Lows in the mid 20s.

Mostly cloudy. Highs in the upper 30s. Lows in the mid 20s.

Mostly cloudy. Highs in the upper 30s. Lows in the mid 20s.

Mostly cloudy. Low temperature around 26F. Dew point will be around 22F with an average humidity of 78%. Winds will be 4 mph from the NW.

Sunny. High temperature around 32F. Dew point will be around 19F with an average humidity of 66%. Winds will be 6 mph from the NW.

Partly cloudy. Low temperature around 21F. Dew point will be around 17F with an average humidity of 74%. Winds will be 4 mph from the N.

Partly cloudy. High temperature around 28F. Dew point will be around 14F with an average humidity of 61%. Winds will be 2 mph from the N.

Clear. Low temperature around 21F. Dew point will be around 15F with an average humidity of 72%. Winds will be 1 mph from the NE.