10-Day Weather Forecast - Frederick, IL

Mostly cloudy. Highs around 40. Southwest winds 5 to 10 mph.

Partly cloudy. Not as cool with lows in the upper 20s. West winds 5 to 10 mph.

Partly sunny. Highs in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Partly cloudy. Lows around 20. North winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Cooler with highs in the lower 30s. East winds around 5 mph becoming southeast in the afternoon.

Mostly cloudy. Lows in the mid 20s.

Sunny. Not as cool with highs in the upper 40s.

Partly cloudy. Lows in the upper 20s.

Mostly clear. Highs in the upper 50s. Lows in the upper 30s.

Mostly clear. Highs in the upper 50s. Lows in the upper 30s.

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

Mostly cloudy with a 40 percent chance of rain. Lows in the mid 30s.

Cloudy with a 40 percent chance of rain. Highs in the upper 40s.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 35F. Dew point will be around 34F with an average humidity of 80%. Winds will be 2 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 44F. Dew point will be around 34F with an average humidity of 76%. Winds will be 1 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 34F. Dew point will be around 34F with an average humidity of 84%. Winds will be 1 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 44F. Dew point will be around 35F with an average humidity of 81%. Winds will be 1 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 35F. Dew point will be around 34F with an average humidity of 83%. Winds will be 1 mph from the NE.