Black Mountain State Forest Weather Forecast

    • 18
    • 26

    Snow

    • 9
    • 21

    Chance Snow

    • 9
    • 17

    Partly Sunny

    • 11
    • 22

    Chance Snow

    • 6
    • 18

    Slight Chance Snow

    • 4
    • 11

    Slight Chance Snow

    • 10
    • 18

    Mostly Cloudy

Today 10 Dec Northern Grafton

Snow. Additional snow accumulation of 1 to 3 Inches. Highs in the upper 20s. Light and variable Winds. Chance of snow near 100 percent.

Tonight 10 Dec Northern Grafton

Cloudy with snow likely. Additional snow accumulation around an inch. Total snow accumulation 4 to 7 Inches. Lows in the lower 20s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of snow 70 percent.

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Black Mountain State Forest Temperature Statistics

December Temperature

Plymouth Municipal Airport (22.4 miles)

  • Lowest 8 December, 2025

    -8 °F

  • Average December

    20.1 °F

  • Highest 1 December, 2025

    36.5 °F

Climate (2020–Present)

Plymouth Municipal Airport (22.4 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    57.1 °F
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