10-Day Weather Forecast - Pontoon Beach, IL

Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 40s. West winds 5 to 10 mph with gusts up to 20 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 20s. West winds around 5 mph becoming north around 5 mph after midnight.

Partly sunny. Highs in the upper 30s. Northeast winds around 5 mph becoming southeast in the afternoon.

Mostly cloudy. Lows in the upper 20s. East winds around 5 mph.

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

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

Partly sunny in the morning then clearing. Highs around 40.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 20s.

Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.

Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.

Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.

Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.

Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.

Mostly clear. Low temperature around 31F. Dew point will be around 30F with an average humidity of 83%. Winds will be 2 mph from the N.

Partly cloudy. High temperature around 44F. Dew point will be around 31F with an average humidity of 71%. Winds will be 0 mph from the NE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 33F. Dew point will be around 30F with an average humidity of 80%. Winds will be 2 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 42F. Dew point will be around 32F with an average humidity of 75%. Winds will be 4 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 37F. Dew point will be around 35F with an average humidity of 86%. Winds will be 4 mph from the SE.