Lake Winnepocket Weather Forecast

    • 54
    • 78

    Rain Showers

    • 46
    • 68

    Chance Rain Showers

    • 43
    • 71

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 48
    • 72

    Partly Sunny

    • 43
    • 76

    Mostly Sunny

Today 6 Sep Merrimack

Showers with a chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Highs in the upper 70s. Southwest Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 6 Sep Merrimack

Showers with a chance of Thunderstorms in the Evening, then Showers likely after midnight. Patchy fog. Some Thunderstorms may be severe with damaging Winds and large hail. Less humid with Lows in the mid 50s. Light and variable Winds. Chance of rain 80 percent.

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Lake Winnepocket Temperature Statistics

September Temperature

Concord Municipal Airport (13.7 miles)

  • Lowest 1 September, 2025

    48 °F

  • Average September

    65.9 °F

  • Highest 4 September, 2025

    82 °F

Climate (2020–Present)

Concord Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.1 °F
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