Portage Weather Forecast

    • 59
    • 77

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 71
    • 87

    Partly Sunny

    • 66
    • 89

    Partly Sunny

    • 59
    • 78

    Partly Sunny

    • 60
    • 79

    Partly Sunny

Today 6 Sep Porter

Mostly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 6 Sep Porter

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. East Winds 5 to 10 Mph.

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Portage Temperature Statistics

September Temperature

Gary Regional Airport (11.8 miles)

  • Lowest 1 September, 2026

    75.2 °F

  • Average September

    84 °F

  • Highest 2 September, 2026

    98.6 °F

Climate (2021–2026)

Gary Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.4 °F
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