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Personalized Forecasts

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    • Today

      Sep 25

      84° /57°F
      Warm with increasing clouds
      • Poor
      • for home energy
      • Avg RealFeel: 71°
      • Hi RealFeel: 88°
      • Wind Speed: 9 mph
    • Mon

      Sep 26

      66° /47°
      Turning sunny; cooler
      • Poor
      • for home energy
      • Avg RealFeel: 55°
      • Hi RealFeel: 66°
      • Wind Speed: 14 mph
      More
    • Tue

      Sep 27

      65° /49°
      Partly sunny
      • Poor
      • for home energy
      • Avg RealFeel: 55°
      • Hi RealFeel: 65°
      • Wind Speed: 12 mph
      More
    • Wed

      Sep 28

      63° /55°
      Clouds and sun with a shower
      • Poor
      • for home energy
      • Avg RealFeel: 57°
      • Hi RealFeel: 63°
      • Wind Speed: 12 mph
      More
    • Thu

      Sep 29

      68° /54°
      Periods of sunshine
      • Poor
      • for home energy
      • Avg RealFeel: 59°
      • Hi RealFeel: 68°
      • Wind Speed: 10 mph
      More

    Day

    84°Hi RealFeel® 88° Precipitation 25%
    Very warm with increasing cloudiness
    • S 9 mph
    • Gusts: 16 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    57°Lo RealFeel® 53° Precipitation 55%
    Cloudy and mild with occasional rain and a thunderstorm ending after midnight
    • W 8 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0.23 in
    • Rain: 0.23 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 3 hrs
    • Hours of Rain: 3 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 84° 72° N/A 72°
    Low 57° 50° N/A 56°

    Sunrise/Sunset

    • Sunrise: 6:41 AM
    • Sunset: 6:40 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 1:17 AM
    • Moonset: 3:49 PM
    • Duration: 14:32 hr
    Astronomy

    Merrillville Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 25, 2016; 8:43 AM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes from Sunday night through Tuesday. More >

    Sun. Home Energy Efficiency

    Sun. Degree Days

    Sun. UV Index