Third Lake Weather Forecast

    • 42
    • 61

    Decreasing Clouds

    • 43
    • 63

    Mostly Sunny

    • 44
    • 63

    Sunny

    • 45
    • 65

    Mostly Sunny

    • 45
    • 64

    Mostly Sunny

    • 48
    • 67

    Partly Sunny

    • 49
    • 67

    Partly Sunny

Today 21 Sep Southeast Chippewa

Partly sunny. Highs in the upper 60s.

Tonight 21 Sep Southeast Chippewa

Partly cloudy. Lows in the lower 40s. East Winds up to 10 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Third Lake Temperature Statistics

September Temperature

Drummond Island Airport (8.1 miles)

  • Lowest 19 September, 2026

    39.7 °F

  • Average September

    62.2 °F

  • Highest 1 September, 2026

    80.1 °F

Climate (2021–2026)

Drummond Island Airport (8.1 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    52.6 °F
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