County Line Lake Weather Forecast

    • 33
    • 62

    Mostly Cloudy

    • 36
    • 64

    Becoming Sunny

    • 40
    • 67

    Mostly Sunny

    • 44
    • 67

    Mostly Cloudy

    • 44
    • 70

    Partly Sunny

    • 48
    • 69

    Chance Rain Showers

    • 47
    • 69

    Mostly Cloudy

Today 21 Sep Ontonagon

Partly cloudy. Lows 47 to 52. Highs 69 to 74.

Tonight 21 Sep Ontonagon

Partly cloudy. Patchy frost after midnight. Lows in the mid 30s. Light east Winds, becoming southeast after midnight.

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  • Temperature Real-Time

County Line Lake Temperature Statistics

September Temperature

Land O' Lakes, Kings Land O' Lakes Airport (12.4 miles)

  • Lowest 14 September, 2026

    33.4 °F

  • Average September

    64.9 °F

  • Highest 1 September, 2026

    90.9 °F

Climate (2021–2026)

Land O' Lakes, Kings Land O' Lakes Airport (12.4 miles)

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  • Average Low 2021–2026

    30.9 °F

  • Average 2021–2026

    42.5 °F

  • Average High 2021–2026

    52.5 °F
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