10-Day Weather Forecast - Brentwood, IL

Sunny in the morning then becoming partly cloudy. Highs in the mid 80s inland but only in the upper 70s near the lake. Southwest winds 5 to 10 mph.

Mostly cloudy. Lows in the mid 60s. South winds around 5 mph in the evening becoming light and variable.

Mostly cloudy in the morning then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 80 inland but only around 70 near the lake. North winds around 5 mph increasing to northeast 10 to 15 mph in the afternoon. Chance of precipitation 20 percent.

Partly cloudy in the evening then becoming mostly clear. Lows in the upper 50s.

Mostly sunny. Highs in the mid 70s inland but only in the mid 60s near the lake.

Partly cloudy. Lows in the mid 50s.

Partly cloudy. Highs in the mid 70s inland but only in the upper 60s near the lake.

Partly cloudy. Lows in the mid 50s.

Partly cloudy. Highs in the lower 70s inland but only in the mid 60s near the lake.

Partly cloudy. Lows in the mid 50s.

Partly cloudy. Highs in the mid 70s inland but only in the mid 60s near the lake.

Clear. Low temperature around 52F. Dew point will be around 45F with an average humidity of 68%. Winds will be 3 mph from the NE.

Sunny. High temperature around 74F. Dew point will be around 47F with an average humidity of 49%. Winds will be 5 mph from the N.

Clear. Low temperature around 56F. Dew point will be around 47F with an average humidity of 62%. Winds will be 4 mph from the NW.

Sunny. High temperature around 78F. Dew point will be around 51F with an average humidity of 50%. Winds will be 3 mph from the NW.

Clear. Low temperature around 58F. Dew point will be around 50F with an average humidity of 64%. Winds will be 2 mph from the W.

Sunny. High temperature around 80F. Dew point will be around 54F with an average humidity of 53%. Winds will be 3 mph from the W.

Clear. Low temperature around 60F. Dew point will be around 53F with an average humidity of 65%. Winds will be 4 mph from the SW.