10-Day Weather Forecast - Merrillville, IN

Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Mostly cloudy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80 inland but only in the mid 70s near the lake. North winds 5 to 10 mph. Chance of precipitation 20 percent.

Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 20 percent.

Mostly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s inland but only in the upper 70s near the lake. Chance of precipitation 20 percent.

Partly cloudy. Lows in the mid 60s.

Mostly sunny. Highs in the mid 80s.

Mostly clear. Lows in the mid 60s.

Sunny. Highs in the upper 80s.

Mostly clear. Lows in the upper 60s.

Mostly sunny. Highs around 90.

Clear. Low temperature around 71F. Dew point will be around 67F with an average humidity of 76%. Winds will be 3 mph from the W.

Sunny. High temperature around 83F. Dew point will be around 65F with an average humidity of 63%. Winds will be 5 mph from the N.

Clear. Low temperature around 67F. Dew point will be around 62F with an average humidity of 73%. Winds will be 3 mph from the N.

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 60%. Winds will be 4 mph from the N.

Clear. Low temperature around 65F. Dew point will be around 59F with an average humidity of 69%. Winds will be 3 mph from the N.

Sunny. High temperature around 79F. Dew point will be around 60F with an average humidity of 60%. Winds will be 3 mph from the N.

Clear. Low temperature around 65F. Dew point will be around 59F with an average humidity of 71%. Winds will be 2 mph from the N.