Loon Mountain Weather Forecast

    • 64
    • 82

    Increasing Clouds

    • 62
    • 76

    Rain Showers

    • 57
    • 81

    Mostly Sunny

    • 53
    • 77

    Chance Rain Showers

    • 53
    • 71

    Slight Chance Rain Showers

    • 59
    • 78

    Slight Chance Rain Showers

Today 30 Jun Northern Grafton

Areas of fog this morning. Mostly sunny. Warm with Highs in the mid 80s. Light and variable Winds.

Tonight 30 Jun Northern Grafton

Mostly clear in the Evening, then partly cloudy with a chance of Showers after midnight. Patchy fog after midnight. Lows in the mid 60s. Light and variable Winds. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loon Mountain Temperature Statistics

June Temperature

Plymouth Municipal Airport (19.9 miles)

  • Lowest 3 June, 2025

    37.6 °F

  • Average June

    65.2 °F

  • Highest 24 June, 2025

    95.2 °F

Climate (2020–Present)

Plymouth Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    57.1 °F
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