Lyme Weather Forecast

    • 61
    • 79

    Slight Chance Rain Showers

    • 52
    • 79

    Rain Showers

    • 45
    • 71

    Partly Sunny

    • 41
    • 68

    Mostly Sunny

    • 42
    • 69

    Mostly Sunny

    • 45
    • 73

    Partly Sunny

Today 5 Sep Southern Grafton

Mostly cloudy in the Morning, then becoming partly sunny. Areas of fog in the morning. A 20 percent chance of Showers. Visibility one quarter mile or less at Times in the morning. Highs in the mid 70s. South Winds around 10 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 5 Sep Southern Grafton

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. South Winds around 10 Mph with Gusts up to 25 Mph.

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Lyme Temperature Statistics

September Temperature

Lebanon Municipal Airport (14.3 miles)

  • Lowest 1 September, 2025

    46.9 °F

  • Average September

    63 °F

  • Highest 2 September, 2025

    81 °F

Climate (2020–Present)

Lebanon Municipal Airport (14.3 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    59.9 °F
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