Second Black Lake Weather Forecast

    • 31
    • 63

    Becoming Sunny

    • 48
    • 66

    Rain Showers

    • 41
    • 67

    Partly Sunny

    • 45
    • 67

    Mostly Cloudy

    • 43
    • 69

    Partly Sunny

    • 44
    • 68

    Slight Chance Rain Showers

Today 13 Sep Iron

Mostly sunny. Highs in the lower 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 13 Sep Iron

Mostly clear. Patchy frost after midnight. Cooler with Lows in the lower 30s. Northwest Winds 5 to 10 Mph, becoming south after midnight.

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Second Black Lake Temperature Statistics

September Temperature

Manitowish Waters Airport (14.9 miles)

  • Lowest 10 September, 2026

    46.8 °F

  • Average September

    71.2 °F

  • Highest 1 September, 2026

    92.7 °F

Climate (2021–2026)

Manitowish Waters Airport (14.9 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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