Merrillville Weather Forecast

    • 14
    • 28

    Snow Showers

    • 10
    • 26

    Mostly Cloudy

    • 24
    • 30

    Mostly Cloudy

    • 14
    • 37

    Mostly Cloudy

    • 15
    • 26

    Mostly Cloudy

    • 13
    • 28

    Partly Sunny

Today 3 Feb Lake

Mostly cloudy. A slight chance of snow early in the morning. Scattered Flurries in the late morning and afternoon. Highs in the upper 20s. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 3 Feb Lake

Mostly cloudy. Scattered Flurries early in the Evening, then scattered snow Showers in the late evening and overnight. Little or no snow accumulation. Lows around 14. North Winds 5 to 10 Mph. Chance of precipitation 40 percent.

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Merrillville Temperature Statistics

February Temperature

Gary Regional Airport (9.3 miles)

  • Lowest 1 February, 2026

    14 °F

  • Average February

    21.7 °F

  • Highest 1 February, 2026

    28.4 °F

Climate (2021–Present)

Gary Regional Airport (9.3 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    60.9 °F
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