Mosinee Weather Forecast

    • 51
    • 72

    Increasing Clouds

    • 50
    • 73

    Chance Rain Showers

    • 54
    • 63

    Rain Showers

    • 50
    • 65

    Chance Rain Showers

    • 46
    • 64

    Slight Chance Rain Showers

    • 47
    • 63

    Slight Chance Rain Showers

    • 48
    • 65

    Partly Sunny

Today 16 Sep Marathon

Partly sunny. Highs around 70.

Tonight 16 Sep Marathon

Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 50s. Light and variable wind. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mosinee Temperature Statistics

September Temperature

Mosinee (1.9 miles)

  • Lowest 14 September, 2026

    41 °F

  • Average September

    64.7 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (1.9 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    53.6 °F
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