Mascoma Lake Weather Forecast

    • 31
    • 48

    Increasing Clouds

    • 36
    • 45

    Rain/Snow

    • 32
    • 52

    Mostly Sunny

    • 30
    • 53

    Mostly Sunny

    • 35
    • 57

    Mostly Cloudy

    • 38
    • 58

    Mostly Cloudy

Today 21 Apr Southern Grafton

Mostly sunny. Highs in the mid 40s. Light and variable Winds.

Tonight 21 Apr Southern Grafton

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mascoma Lake Temperature Statistics

April Temperature

Lebanon Municipal Airport (7.5 miles)

  • Lowest 8 April, 2026

    21 °F

  • Average April

    48.3 °F

  • Highest 16 April, 2026

    81 °F

Climate (2021–Present)

Lebanon Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    59.7 °F
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