Loon Mountain Weather Forecast

    • 16
    • 27

    Snow

    • 6
    • 24

    Chance Snow

    • -1
    • 14

    Partly Sunny

    • 13
    • 19

    Chance Snow

    • 6
    • 27

    Chance Snow

    • 7
    • 18

    Chance Snow

Today 18 Jan Northern Grafton

Cloudy. A slight chance of snow in the afternoon. Highs in the upper 20s. Light and variable Winds. Chance of snow 20 percent.

Tonight 18 Jan Northern Grafton

Cloudy. Lows around 19. Light and variable Winds.

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Loon Mountain Temperature Statistics

January Temperature

Plymouth Municipal Airport (19.9 miles)

  • Lowest 2 January, 2026

    -6 °F
  • Average January

    24.7 °F
  • Highest 10 January, 2026

    45 °F

Climate (2021–Present)

Plymouth Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    36.5 °F
  • Average 2021–2026

    46.6 °F
  • Average High 2021–2026

    57.1 °F
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