Mascoma Lake Weather Forecast

    • 10
    • 27

    Slight Chance Snow

    • 5
    • 17

    Partly Sunny

    • 17
    • 23

    Mostly Cloudy

    • 12
    • 34

    Partly Sunny

    • -4
    • 18

    Mostly Cloudy

    • -9
    • 5

    Cold

Today 19 Jan Southern Grafton

Mostly cloudy. A chance of snow this morning. Highs in the upper 20s. Light and variable Winds, becoming southwest around 10 Mph with Gusts up to 20 Mph this afternoon. Chance of snow 40 percent.

Tonight 19 Jan Southern Grafton

Partly cloudy. A slight chance of snow in the evening. Lows around 9 above. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 20 percent. Wind chill Values as low as 6 below after midnight.

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Mascoma Lake Temperature Statistics

January Temperature

Lebanon Municipal Airport (7.5 miles)

  • Lowest 2 January, 2026

    1.9 °F

  • Average January

    27.3 °F

  • Highest 9 January, 2026

    48 °F

Climate (2021–Present)

Lebanon Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    59.8 °F
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