10-Day Weather Forecast - Cortland, IL

Mostly cloudy in the morning then clearing. Highs in the upper 60s. Southeast winds 5 to 10 mph increasing to south 10 to 15 mph in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows around 50. Southwest winds 10 to 15 mph.

Mostly cloudy. A slight chance of showers. Breezy with highs in the lower 60s. Temperature falling into the upper 40s in the afternoon. North winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 20 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 30.

Mostly sunny. Highs in the upper 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 30s.

Mostly cloudy. Highs in the mid 50s.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 40s.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower 60s.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 30F. Dew point will be around 33F with an average humidity of 59%. Winds will be 11 mph from the N.

Mostly cloudy. High temperature around 41F. Dew point will be around 22F with an average humidity of 55%. Winds will be 8 mph from the N.

Partly cloudy. Low temperature around 26F. Dew point will be around 20F with an average humidity of 63%. Winds will be 2 mph from the NE.

Partly cloudy. High temperature around 46F. Dew point will be around 22F with an average humidity of 50%. Winds will be 2 mph from the SW.

Partly cloudy. Low temperature around 31F. Dew point will be around 25F with an average humidity of 64%. Winds will be 2 mph from the SW.

Mostly cloudy. High temperature around 47F. Dew point will be around 29F with an average humidity of 61%. Winds will be 2 mph from the E.

Cloudy. Low temperature around 35F. Dew point will be around 31F with an average humidity of 73%. Winds will be 3 mph from the E.