Isabella Lake Weather Forecast

    • 47
    • 67

    Slight Chance Rain Showers

    • 37
    • 61

    Mostly Cloudy

    • 36
    • 58

    Mostly Sunny

    • 39
    • 60

    Mostly Sunny

    • 42
    • 62

    Mostly Sunny

    • 46
    • 64

    Partly Sunny

    • 48
    • 69

    Partly Sunny

Today 19 Sep Northern Cook/Northern Lake

Mostly cloudy. Near steady temperature in the lower 60s. Northwest Winds around 5 Mph.

Tonight 19 Sep Northern Cook/Northern Lake

Mostly cloudy with a 20 percent chance of Showers. Lows in the upper 40s. North Winds around 5 Mph.

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Isabella Lake Temperature Statistics

September Temperature

Ely, Ely Municipal Airport (24.9 miles)

  • Lowest 14 September, 2026

    32.5 °F

  • Average September

    60.3 °F

  • Highest 6 September, 2026

    82 °F

Climate (2021–2026)

Ely, Ely Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    29.1 °F

  • Average 2021–2026

    40.1 °F

  • Average High 2021–2026

    49.7 °F
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