Brillion State Wildlife Area Weather Forecast

    • 56
    • 66

    Rain Showers

    • 55
    • 64

    Rain Showers

    • 51
    • 66

    Mostly Cloudy

    • 46
    • 61

    Mostly Cloudy

    • 47
    • 61

    Partly Sunny

    • 49
    • 64

    Partly Sunny

    • 50
    • 68

    Partly Sunny

Today 18 Sep Calumet

Mostly clear. Lows in the lower 50s. Highs around 70.

Tonight 18 Sep Calumet

Showers in the Evening, then Showers and a chance of Thunderstorms after midnight. Nearly steady temperature in the upper 50s. East wind 10 to 15 Mph. Chance of rain near 100 percent.

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Brillion State Wildlife Area Temperature Statistics

September Temperature

Manitowoc, Manitowoc County Airport (20.5 miles)

  • Lowest 14 September, 2026

    43 °F

  • Average September

    67.7 °F

  • Highest 9 September, 2026

    82.9 °F

Climate (2021–2026)

Manitowoc, Manitowoc County Airport (20.5 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    54.4 °F
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