10-Day Weather Forecast - Cortland, IL

Partly cloudy in the morning then clearing. Highs in the mid 20s. North winds 5 to 10 mph.

Mostly clear in the evening then becoming partly cloudy. Lows around 8 above. North winds around 5 mph.

Mostly sunny. Highs in the mid 20s. Northwest winds around 5 mph.

Mostly clear in the evening then becoming mostly cloudy. Lows around 13. West winds around 5 mph.

Mostly cloudy. Highs in the lower 30s.

Mostly cloudy. A slight chance of snow after midnight. Near steady temperature around 30. Chance of precipitation 20 percent.

Mostly cloudy. Highs in the upper 30s.

Partly cloudy. Lows around 10 above.

Partly cloudy. Highs in the upper 20s.

Partly cloudy in the evening then becoming mostly cloudy. Lows 10 to 15.

Partly cloudy. Highs in the lower 30s.

Partly cloudy. Lows 15 to 20.

Partly cloudy. Highs in the upper 30s.

Clear. Low temperature around 20F. Dew point will be around 17F with an average humidity of 79%. Winds will be 6 mph from the S.

Mostly sunny. High temperature around 34F. Dew point will be around 22F with an average humidity of 74%. Winds will be 7 mph from the S.

Partly cloudy. Low temperature around 27F. Dew point will be around 25F with an average humidity of 84%. Winds will be 7 mph from the SE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 38F. Dew point will be around 30F with an average humidity of 81%. Winds will be 9 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 33F. Dew point will be around 32F with an average humidity of 89%. Winds will be 8 mph from the SE.