Boulder Lake Weather Forecast

    • 51
    • 70

    Mostly Cloudy

    • 47
    • 70

    Decreasing Clouds

    • 46
    • 70

    Partly Sunny

    • 48
    • 68

    Mostly Cloudy

    • 50
    • 71

    Partly Sunny

    • 56
    • 68

    Rain Showers

    • 51
    • 65

    Chance Rain Showers

Today 24 Sep Northern Oconto County

Partly cloudy with a 30 percent chance of Showers. Highs in the middle 60s.

Tonight 24 Sep Northern Oconto County

Mostly cloudy. A slight chance of Showers after midnight. Patchy fog after midnight. Lows in the lower 50s. Light and variable wind. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Lake Temperature Statistics

September Temperature

Langlade County Airport (23 miles)

  • Lowest 14 September, 2026

    39 °F

  • Average September

    64.7 °F

  • Highest 1 September, 2026

    92.1 °F

Climate (2021–2026)

Langlade County Airport (23 miles)

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  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    52.2 °F
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