Boundary Lake Weather Forecast

    • 40
    • 65

    Increasing Clouds

    • 38
    • 59

    Mostly Cloudy

    • 38
    • 63

    Partly Sunny

    • 40
    • 65

    Patchy Fog

    • 41
    • 67

    Mostly Cloudy

    • 43
    • 70

    Partly Sunny

Today 20 Sep Northern Oconto County

Mostly cloudy. Highs in the middle 60s. Northeast wind 10 to 15 Mph.

Tonight 20 Sep Northern Oconto County

Colder. Mostly cloudy. Lows around 40. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boundary Lake Temperature Statistics

September Temperature

Oconto J. Douglas Bake Memorial Airport (32.9 miles)

  • Lowest 14 September, 2026

    35.1 °F

  • Average September

    65.6 °F

  • Highest 1 September, 2026

    89.8 °F

Climate (2021–2026)

Oconto J. Douglas Bake Memorial Airport (32.9 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.1 °F
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