10-Day Weather Forecast - Union, IL

Sunny. Highs in the lower 70s. Northeast winds 10 to 15 mph.

Clear. Lows around 50. Northeast winds 5 to 10 mph.

Mostly sunny. Highs in the lower 80s. South winds around 5 mph becoming northwest in the afternoon.

Mostly clear. Lows in the upper 50s.

Partly cloudy in the morning then becoming mostly sunny. Highs in the upper 70s.

Mostly clear. Lows in the lower 50s.

Mostly sunny. Highs in the upper 70s.

Mostly clear. Lows in the lower 50s.

Mostly sunny. Highs in the upper 70s.

Clear. Lows in the mid 50s.

Sunny. Highs around 80.

Clear. Low temperature around 52F. Dew point will be around 44F with an average humidity of 52%. Winds will be 4 mph from the NE.

Sunny. High temperature around 79F. Dew point will be around 47F with an average humidity of 46%. Winds will be 3 mph from the NE.

Clear. Low temperature around 54F. Dew point will be around 45F with an average humidity of 53%. Winds will be 2 mph from the E.

Sunny. High temperature around 80F. Dew point will be around 52F with an average humidity of 51%. Winds will be 4 mph from the SW.

Clear. Low temperature around 58F. Dew point will be around 52F with an average humidity of 61%. Winds will be 5 mph from the SW.

Sunny. High temperature around 81F. Dew point will be around 57F with an average humidity of 57%. Winds will be 6 mph from the SW.

Clear. Low temperature around 59F. Dew point will be around 54F with an average humidity of 63%. Winds will be 3 mph from the SW.