Big Portage Lake Weather Forecast

    • 52
    • 79

    Increasing Clouds

    • 57
    • 83

    Mostly Cloudy

    • 59
    • 78

    Mostly Cloudy

    • 60
    • 78

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 59
    • 81

    Chance Rain Showers

    • 52
    • 73

    Chance Rain Showers

Today 28 Sep North Cass

Sunny. Near steady temperature in the mid 70s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 28 Sep North Cass

Clear this Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Portage Lake Temperature Statistics

September Temperature

Pine River Regional Airport (8.7 miles)

  • Lowest 7 September, 2025

    33.8 °F

  • Average September

    60.6 °F

  • Highest 16 September, 2025

    84.2 °F

Climate (2020–Present)

Pine River Regional Airport (8.7 miles)

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  • Average Low 2020–2025

    32.7 °F

  • Average 2020–2025

    42.9 °F

  • Average High 2020–2025

    52.4 °F
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