Half Moon Lake Weather Forecast

    • 28
    • 44

    Gradual Clearing

    • 30
    • 49

    Mostly Sunny

    • 36
    • 53

    Partly Sunny

    • 40
    • 57

    Slight Chance Rain Showers

    • 41
    • 55

    Chance Rain Showers

    • 38
    • 53

    Chance Rain Showers

Today 23 Oct Marathon

Mostly cloudy. Highs in the middle 40s. Northwest wind 10 to 15 Mph.

Tonight 23 Oct Marathon

Partly cloudy. Widespread frost. Lows in the upper 20s. Northwest wind 5 to 10 Mph in the evening becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Half Moon Lake Temperature Statistics

October Temperature

Mosinee (2.5 miles)

  • Lowest 20 October, 2025

    30.2 °F

  • Average October

    54 °F

  • Highest 3 October, 2025

    82.4 °F

Climate (2020–Present)

Mosinee (2.5 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    43.2 °F

  • Average High 2020–2025

    53.6 °F
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