Tupper Lake Weather Forecast

    • 50
    • 67

    Rain Likely

    • 46
    • 63

    Mostly Cloudy

    • 47
    • 62

    Mostly Cloudy

    • 46
    • 62

    Mostly Cloudy

    • 45
    • 65

    Partly Sunny

    • 44
    • 67

    Partly Sunny

Today 20 Sep Ionia

Rain in the Morning, then a slight chance of rain in the afternoon. Patchy fog through the day. Highs in the upper 60s. Northeast Winds 5 to 15 Mph with Gusts to around 25 Mph. Chance of rain 100 percent.

Tonight 20 Sep Ionia

Partly cloudy. Lows around 50. Northeast Winds 10 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tupper Lake Temperature Statistics

September Temperature

Ionia County Airport (10.6 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    67.8 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Ionia County Airport (10.6 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59 °F
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