Boulder Lake Weather Forecast

    • 39
    • 59

    Increasing Clouds

    • 43
    • 61

    Rain Showers Likely

    • 47
    • 63

    Chance Rain Showers

    • 49
    • 72

    Slight Chance Thunderstorms

    • 54
    • 81

    Slight Chance Thunderstorms

    • 55
    • 83

    Partly Sunny

Today 21 May Northern Oconto County

Partly sunny. Areas of frost in the morning. Highs in the upper 50s. Light and variable wind becoming east 5 to 10 Mph in the afternoon.

Tonight 21 May Northern Oconto County

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 30s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Lake Temperature Statistics

May Temperature

Langlade County Airport (23 miles)

  • Lowest 2 May, 2026

    24.3 °F

  • Average May

    47.7 °F

  • Highest 15 May, 2026

    79.2 °F

Climate (2021–Present)

Langlade County Airport (23 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    42.8 °F

  • Average High 2021–2026

    52.1 °F
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