10-Day Weather Forecast - Marion, IL

Areas of frost in the morning. Sunny. Highs in the upper 60s. Southeast winds around 5 mph.

Clear. Lows in the upper 30s. East winds around 5 mph in the evening, becoming light and variable.

Mostly clear. Highs in the lower 70s.

Mostly clear. Lows in the lower 40s.

Mostly clear. Highs in the lower 70s.

Mostly clear. Lows in the lower 40s.

Mostly clear. Highs in the lower 70s.

Clear. Lows in the mid 40s.

Mostly clear. Highs in the upper 70s.

Mostly clear. Lows in the upper 40s.

Mostly clear. Highs in the upper 70s.

Clear. Low temperature around 48F. Dew point will be around 46F with an average humidity of 73%. Winds will be 5 mph from the E.

Sunny. High temperature around 73F. Dew point will be around 47F with an average humidity of 56%. Winds will be 6 mph from the E.

Clear. Low temperature around 49F. Dew point will be around 47F with an average humidity of 71%. Winds will be 7 mph from the ESE.

Mostly cloudy. High temperature around 76F. Dew point will be around 50F with an average humidity of 57%. Winds will be 4 mph from the SSE.

Mostly cloudy. Low temperature around 51F. Dew point will be around 47F with an average humidity of 73%. Winds will be 4 mph from the SE.