Mercer Weather Forecast

    • 52
    • 60

    Rain Showers

    • 41
    • 68

    Rain Showers

    • 32
    • 49

    Rain Showers Likely

    • 34
    • 55

    Mostly Sunny

    • 40
    • 65

    Mostly Cloudy

    • 44
    • 67

    Chance Rain Showers

Today 17 May Iron

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Much cooler with Highs in the upper 50s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 17 May Iron

Cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Not as cool with Lows in the lower 50s. Temperature rising into the upper 50s after midnight. Southeast Winds 10 to 15 Mph, becoming south 5 to 10 Mph after midnight. Chance of rain 80 percent.

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Mercer Temperature Statistics

May Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 2 May, 2026

    22.8 °F

  • Average May

    44.6 °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

    40.6 °F

  • Average High 2021–2026

    50.2 °F
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