O'Neil Lake Weather Forecast

    • 55
    • 81

    Increasing Clouds

    • 50
    • 65

    Slight Chance Rain Showers

    • 47
    • 64

    Mostly Cloudy

    • 53
    • 65

    Chance Rain Showers

    • 56
    • 71

    Chance Thunderstorms

    • 54
    • 75

    Chance Rain Showers

    • 50
    • 68

    Slight Chance Rain Showers

Today 17 Sep Dickinson

Mostly sunny with a chance of Thunderstorms with a slight chance of Showers. Northwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 17 Sep Dickinson

Partly cloudy this Evening, then becoming mostly cloudy. A slight chance of Thunderstorms this evening. A slight chance of Showers. Patchy fog after midnight. Lows in the mid 50s. Northeast Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 20 percent.

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O'Neil Lake Temperature Statistics

September Temperature

Marquette, Sawyer International Airport (23.6 miles)

  • Lowest 4 September, 2025

    37.4 °F

  • Average September

    56 °F

  • Highest 15 September, 2025

    80.6 °F

Climate (2020–Present)

Marquette, Sawyer International Airport (23.6 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    40.9 °F

  • Average High 2020–2025

    51.1 °F
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