Mascoma Lake Weather Forecast

    • 52
    • 62

    Chance Rain Showers

    • 50
    • 73

    Partly Sunny

    • 54
    • 80

    Mostly Sunny

    • 58
    • 83

    Partly Sunny

    • 60
    • 77

    Chance Rain Showers

    • 54
    • 75

    Chance Rain Showers

Today 20 Aug Southern Grafton

Cloudy with a 40 percent chance of Showers. Highs in the lower 60s. Light and variable Winds.

Tonight 20 Aug Southern Grafton

Partly cloudy. A slight chance of Showers in the evening. Lows in the lower 50s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mascoma Lake Temperature Statistics

August Temperature

Lebanon Municipal Airport (7.5 miles)

  • Lowest 2 August, 2025

    46.7 °F

  • Average August

    72.9 °F

  • Highest 12 August, 2025

    95.6 °F

Climate (2020–Present)

Lebanon Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    59.8 °F
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