10-Day Weather Forecast - Ontario, WI

Partly sunny. Much colder with highs in the lower 20s. Northwest winds 10 to 20 mph with gusts up to 30 mph becoming southwest 5 to 10 mph in the afternoon. Wind chill values as low as 15 below in the morning.

Mostly cloudy. Not as cold with lows around 15. Temperature rising into the mid 20s after midnight. South winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Not as cold. Mostly cloudy in the morning then clearing. Highs in the lower 30s. Temperature falling into the in the upper 20s in the afternoon. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.

Colder. Partly cloudy in the evening then becoming mostly clear. Lows around 4 above. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Colder. Mostly sunny. Highs in the lower 20s.

Mostly cloudy. Lows around 10 above. Highs in the mid 30s.

Mostly cloudy. Lows around 10 above. Highs in the mid 30s.

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

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

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

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

Mostly cloudy. Lows in the lower 30s. Highs in the lower 40s.

Mostly cloudy. Lows in the lower 30s. Highs in the lower 40s.

Cloudy. Low temperature around 33F. Dew point will be around 33F with an average humidity of 85%. Winds will be 6 mph from the W.

Mostly cloudy. High temperature around 39F. Dew point will be around 29F with an average humidity of 73%. Winds will be 2 mph from the NW.

Partly cloudy. Low temperature around 31F. Dew point will be around 28F with an average humidity of 80%. Winds will be 1 mph from the SW.

Mostly cloudy. High temperature around 36F. Dew point will be around 26F with an average humidity of 71%. Winds will be 2 mph from the NE.

Cloudy. Low temperature around 29F. Dew point will be around 25F with an average humidity of 77%. Winds will be 3 mph from the NE.