Griffith-Merrillville Airport Weather Forecast

    • 39
    • 63

    Increasing Clouds

    • 40
    • 55

    Rain Likely

    • 34
    • 45

    Rain/Snow

    • 31
    • 42

    Rain Likely

    • 32
    • 44

    Mostly Sunny

    • 36
    • 48

    Partly Sunny

Today 10 Nov Lake

Mostly sunny. Highs in the lower 60s. Northwest Winds around 5 Mph.

Tonight 10 Nov Lake

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Griffith-Merrillville Airport Temperature Statistics

November Temperature

Gary Regional Airport (6.2 miles)

  • Lowest 7 November, 2026

    33.8 °F

  • Average November

    54.9 °F

  • Highest 3 November, 2026

    75.2 °F

Climate (2021–2026)

Gary Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    61.4 °F
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