Surprise Lake Weather Forecast

    • 37
    • 65

    Becoming Sunny

    • 53
    • 66

    Rain Showers

    • 44
    • 69

    Partly Sunny

    • 50
    • 66

    Chance Rain Showers

    • 49
    • 68

    Chance Rain Showers

    • 49
    • 67

    Chance Rain Showers

Today 13 Sep Northern Oconto County

Cooler. Mostly cloudy in the morning then clearing. Highs in the upper 60s. Northwest wind 10 to 15 Mph.

Tonight 13 Sep Northern Oconto County

Clear. Lows in the upper 30s. Light and variable wind.

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  • Temperature Real-Time

Surprise Lake Temperature Statistics

September Temperature

Langlade County Airport (28 miles)

  • Lowest 10 September, 2026

    50.2 °F

  • Average September

    70.6 °F

  • Highest 1 September, 2026

    92.1 °F

Climate (2021–2026)

Langlade County Airport (28 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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