Mercer Lake Weather Forecast

    • 57
    • 81

    Slight Chance Rain Showers

    • 56
    • 87

    Mostly Sunny

    • 48
    • 82

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 51
    • 80

    Partly Sunny

    • 50
    • 78

    Partly Sunny

Today 25 May Iron

Mostly sunny. Hot with Highs in the lower 80s. Southwest Winds 10 to 15 Mph.

Tonight 25 May Iron

Partly cloudy in the Evening, then clearing. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mercer Lake Temperature Statistics

May Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 2 May, 2026

    22.8 °F

  • Average May

    47.2 °F

  • Highest 15 May, 2026

    80.4 °F

Climate (2021–Present)

Manitowish Waters Airport (9.3 miles)

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  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    40.5 °F

  • Average High 2021–2026

    50.2 °F
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