Franconia Weather Forecast

    • 49
    • 75

    Mostly Cloudy

    • 50
    • 79

    Partly Sunny

    • 32
    • 65

    Mostly Sunny

    • 31
    • 63

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 57
    • 80

    Partly Sunny

Today 17 Sep Northern Grafton

Partly sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 17 Sep Northern Grafton

Partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable Winds.

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Franconia Temperature Statistics

September Temperature

Whitefield - Mount Washington Regional Airport (13.7 miles)

  • Lowest 9 September, 2025

    32 °F

  • Average September

    57.6 °F

  • Highest 1 September, 2025

    80.1 °F

Climate (2020–Present)

Whitefield - Mount Washington Regional Airport (13.7 miles)

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  • Average Low 2020–2025

    32.8 °F

  • Average 2020–2025

    44.3 °F

  • Average High 2020–2025

    55.6 °F
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