Mercer Lake Weather Forecast

    • 54
    • 81

    Severe Tstms

    • 57
    • 81

    Mostly Sunny

    • 61
    • 85

    Partly Sunny

    • 62
    • 83

    Chance Thunderstorms

    • 59
    • 81

    Chance Thunderstorms

    • 56
    • 81

    Mostly Sunny

Today 27 Jul Iron

Mostly Cloudy, then becoming mostly sunny this Morning, then becoming partly sunny. Patchy smoke. Patchy fog this morning. Showers likely after midnight. A chance of Thunderstorms. A chance of Showers. Some Thunderstorms may be severe with damaging Winds and large hail. Humid with Highs in the upper 70s. Southwest Winds around 5 Mph, becoming north with Gusts up to 20 Mph this afternoon. Chance of rain 70 percent.

Tonight 27 Jul Iron

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Cooler with Lows in the mid 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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Mercer Lake Temperature Statistics

July Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 22 July, 2026

    39.4 °F

  • Average July

    69.9 °F

  • Highest 13 July, 2026

    90.7 °F

Climate (2021–2026)

Manitowish Waters Airport (9.3 miles)

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  • Average Low 2021–2026

    29.7 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.2 °F
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