10-Day Weather Forecast - Arlington Heights, IL

Decreasing cloudiness. Warm with highs in the mid 80s inland but only in the upper 70s near the lake. Southeast winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph.

Mostly cloudy through mid afternoon then becoming partly cloudy. A chance of showers in the morning. A slight chance of thunderstorms. A slight chance of showers in the afternoon. Highs in the upper 80s inland but only in the lower 80s near the lake. South winds 5 to 10 mph. Chance of precipitation 30 percent.

Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of precipitation 20 percent.

Mostly sunny. Highs in the mid 80s inland but only in the upper 70s near the lake.

Mostly clear. Lows in the mid 60s.

Partly cloudy. Highs in the lower 80s inland but only in the upper 70s near the lake.

Partly cloudy. Lows in the mid 60s.

Partly cloudy. Highs in the mid 80s inland but only in the upper 70s near the lake.

Partly cloudy. Lows in the mid 60s.

Partly cloudy. Highs in the mid 80s inland but only in the upper 70s near the lake.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 67F. Dew point will be around 62F with an average humidity of 78%. Winds will be 1 mph from the E.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 87F. Dew point will be around 65F with an average humidity of 60%. Winds will be 2 mph from the SW.

Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 65F. Dew point will be around 64F with an average humidity of 80%. Winds will be 2 mph from the W.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 81F. Dew point will be around 62F with an average humidity of 64%. Winds will be 2 mph from the W.

Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 61F. Dew point will be around 60F with an average humidity of 84%. Winds will be 3 mph from the NW.

Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 78F. Dew point will be around 61F with an average humidity of 68%. Winds will be 1 mph from the N.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 60F. Dew point will be around 60F with an average humidity of 86%. Winds will be 2 mph from the W.