Montana Lake Weather Forecast

    • 53
    • 78

    Decreasing Clouds

    • 54
    • 80

    Partly Sunny

    • 56
    • 84

    Partly Sunny

    • 56
    • 83

    Partly Sunny

    • 56
    • 77

    Chance Rain Showers

    • 51
    • 72

    Chance Rain Showers

Today 14 Sep Southern Marinette County

Mostly sunny. Widespread fog in the morning. Highs in the middle 70s. Light and variable wind becoming east 5 to 10 Mph in the afternoon.

Tonight 14 Sep Southern Marinette County

Mostly clear. Patchy fog after midnight. Lows in the middle 50s. East wind 5 to 10 Mph in the evening becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montana Lake Temperature Statistics

September Temperature

Oconto J. Douglas Bake Memorial Airport (15.5 miles)

  • Lowest 4 September, 2025

    36.1 °F

  • Average September

    58.4 °F

  • Highest 1 September, 2025

    77.2 °F

Climate (2020–Present)

Oconto J. Douglas Bake Memorial Airport (15.5 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    46.3 °F

  • Average High 2020–2025

    55.3 °F
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