Mercer Weather Forecast

    • 52
    • 65

    Rain Showers

    • 39
    • 68

    Mostly Sunny

    • 46
    • 72

    Chance Rain Showers

    • 46
    • 73

    Chance Rain Showers

    • 51
    • 70

    Rain Showers Likely

    • 47
    • 70

    Chance Rain Showers

    • 44
    • 68

    Chance Rain Showers

Today 14 Sep Iron

Showers with a slight chance of Thunderstorms. Near steady temperature in the lower 60s. Temperature falling to around 60 late. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 14 Sep Iron

Showers with a slight chance of Thunderstorms this Evening, then a chance of Showers after midnight. Not as cool with Lows in the lower 50s. South Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mercer Temperature Statistics

September Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 10 September, 2026

    46.8 °F

  • Average September

    70.9 °F

  • Highest 1 September, 2026

    92.7 °F

Climate (2021–2026)

Manitowish Waters Airport (9.3 miles)

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  • Average Low 2021–2026

    29.8 °F

  • Average 2021–2026

    40.7 °F

  • Average High 2021–2026

    50.3 °F
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