10-Day Weather Forecast - Plymouth, IL

Mostly sunny. Not as cool with highs in the mid 40s. Southwest winds 10 to 15 mph becoming northwest in the afternoon.

Partly cloudy in the evening then clearing. Lows in the lower 20s. Northwest winds 5 to 10 mph.

Sunny. Highs in the upper 30s. North winds around 5 mph becoming east in the afternoon.

Mostly cloudy. Lows in the upper 20s.

Partly sunny. Highs in the mid 40s.

Mostly cloudy and not as cool. Near steady temperature around 40.

Partly sunny. Not as cool with highs in the mid 50s.

Mostly cloudy. Lows around 40.

Mostly cloudy in the morning then becoming partly sunny. Highs in the upper 50s.

Mostly cloudy. Lows in the lower 50s. Highs in the mid 60s.

Mostly cloudy. Lows in the lower 50s. Highs in the mid 60s.

Partly cloudy. Low temperature around 43F. Dew point will be around 45F with an average humidity of 80%. Winds will be 8 mph from the W.

Partly cloudy. High temperature around 52F. Dew point will be around 40F with an average humidity of 77%. Winds will be 2 mph from the S.

Partly cloudy. Low temperature around 43F. Dew point will be around 41F with an average humidity of 85%. Winds will be 2 mph from the S.

Partly cloudy. High temperature around 49F. Dew point will be around 40F with an average humidity of 78%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 38F. Dew point will be around 36F with an average humidity of 79%. Winds will be 4 mph from the N.

Partly cloudy. High temperature around 42F. Dew point will be around 33F with an average humidity of 74%. Winds will be 5 mph from the NW.

Mostly clear. Low temperature around 30F. Dew point will be around 28F with an average humidity of 77%. Winds will be 5 mph from the NW.