Mosinee Flowage Weather Forecast

    • 56
    • 78

    Partly Sunny

    • 57
    • 78

    Partly Sunny

    • 61
    • 78

    Rain Showers

    • 65
    • 79

    Chance Rain Showers

    • 56
    • 80

    Slight Chance Thunderstorms

    • 51
    • 72

    Partly Sunny

Today 5 Sep Marathon

Mostly cloudy. Patchy fog in the morning. Highs in the upper 70s. Light and variable wind becoming east around 5 Mph in the afternoon.

Tonight 5 Sep Marathon

Mostly cloudy. Areas of fog. Nearly steady temperature in the mid 60s. Northeast wind around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mosinee Flowage Temperature Statistics

September Temperature

Mosinee (1.2 miles)

  • Lowest 1 September, 2026

    62.6 °F

  • Average September

    71.4 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (1.2 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    53.6 °F
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