Sema Lake Weather Forecast

    • 42
    • 58

    Mostly Cloudy

    • 54
    • 68

    Chance Rain Showers

    • 51
    • 71

    Partly Sunny

    • 49
    • 74

    Partly Sunny

    • 52
    • 71

    Partly Sunny

    • 57
    • 75

    Chance Rain Showers

    • 57
    • 77

    Chance Rain Showers

Today 7 Sep Northern Cook/Northern Lake

Mostly sunny. Near steady temperature in the mid 50s. West Winds 5 to 10 Mph.

Tonight 7 Sep Northern Cook/Northern Lake

Partly cloudy. Lows around 40. Southwest Winds around 5 Mph.

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Sema Lake Temperature Statistics

September Temperature

Ely, Ely Municipal Airport (35.4 miles)

  • Lowest 4 September, 2025

    37.4 °F

  • Average September

    52.2 °F

  • Highest 1 September, 2025

    75.2 °F

Climate (2020–Present)

Ely, Ely Municipal Airport (35.4 miles)

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  • Average Low 2020–2025

    29.3 °F

  • Average 2020–2025

    40.3 °F

  • Average High 2020–2025

    49.8 °F
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