Mercer Lake Weather Forecast

    • 36
    • 64

    Mostly Sunny

    • 41
    • 64

    Mostly Sunny

    • 43
    • 68

    Partly Sunny

    • 44
    • 69

    Partly Sunny

    • 48
    • 64

    Mostly Cloudy

    • 45
    • 66

    Chance Rain Showers

Today 19 Oct Iron

Sunny. Highs in the lower 60s. Northeast Winds around 5 Mph.

Tonight 19 Oct Iron

Clear. Lows in the upper 30s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mercer Lake Temperature Statistics

October Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 17 October, 2026

    25.5 °F

  • Average October

    51.2 °F

  • Highest 10 October, 2026

    84.7 °F

Climate (2021–2026)

Manitowish Waters Airport (9.3 miles)

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  • Average Low 2021–2026

    29.8 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.3 °F
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