Loon Mountain Weather Forecast

    • 47
    • 76

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 60
    • 83

    Rain Showers Likely

    • 61
    • 82

    Rain Showers Likely

    • 59
    • 81

    Chance Rain Showers

    • 58
    • 82

    Partly Sunny

Today 8 Jun Northern Grafton

Mostly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 8 Jun Northern Grafton

Mostly clear. Patchy fog after midnight. Lows in the upper 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loon Mountain Temperature Statistics

June Temperature

Plymouth Municipal Airport (19.9 miles)

  • Lowest 2 June, 2026

    36 °F

  • Average June

    61.9 °F

  • Highest 4 June, 2026

    85.3 °F

Climate (2021–Present)

Plymouth Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    46.3 °F

  • Average High 2021–2026

    56.9 °F
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