Marlboro Weather Forecast

    • 55
    • 77

    Becoming Sunny

    • 41
    • 70

    Mostly Sunny

    • 40
    • 65

    Mostly Sunny

    • 48
    • 68

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 57
    • 78

    Partly Sunny

Today 18 Sep Western Windham

Patchy fog in the morning. Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming west around 5 Mph in the afternoon.

Tonight 18 Sep Western Windham

Mostly cloudy. Patchy fog. Near steady temperature in the upper 40s. Light and variable Winds.

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Marlboro Temperature Statistics

September Temperature

Keene, Dillant-Hopkins Airport (23 miles)

  • Lowest 9 September, 2025

    37.9 °F

  • Average September

    61.3 °F

  • Highest 2 September, 2025

    80.1 °F

Climate (2020–Present)

Keene, Dillant-Hopkins Airport (23 miles)

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  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    59 °F
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