Weather in Merrillville, Indiana, United States

7-Day Detailed Weather Forecast for Merrillville

Independence Day

Temperature: 92°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 96. South wind 5 to 10 mph. Chance of precipitation is 20%.

Tonight

Temperature: 72°F

Wind Speed: 5 mph

Wind Direction: SSW

Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy. Low around 72, with temperatures rising to around 74 overnight. Heat index values as high as 95. South southwest wind around 5 mph. Chance of precipitation is 20%.

Saturday

Temperature: 92°F

Wind Speed: 5 to 15 mph

Wind Direction: SSW

Forecast: Mostly sunny, with a high near 92. Heat index values as high as 95. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Saturday Night

Temperature: 74°F

Wind Speed: 10 to 15 mph

Wind Direction: SSW

Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Sunday

Temperature: 87°F

Wind Speed: 10 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 87. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

Sunday Night

Temperature: 67°F

Wind Speed: 5 to 10 mph

Wind Direction: N

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

Monday

Temperature: 81°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 81.

Monday Night

Temperature: 66°F

Wind Speed: 0 to 10 mph

Wind Direction: NE

Forecast: Mostly clear, with a low around 66.

Tuesday

Temperature: 86°F

Wind Speed: 0 to 5 mph

Wind Direction: NNE

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

Tuesday Night

Temperature: 68°F

Wind Speed: 0 to 5 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

Wednesday

Temperature: 84°F

Wind Speed: 5 mph

Wind Direction: ENE

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 84.

Wednesday Night

Temperature: 66°F

Wind Speed: 5 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Thursday

Temperature: 82°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 82.

Thursday Night

Temperature: 64°F

Wind Speed: 0 to 5 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms. Mostly clear, with a low around 64.