Penacook Lake Watershed Weather Forecast

    • 19
    • 34

    Increasing Clouds

    • 2
    • 34

    Chance Snow Showers

    • 8
    • 22

    Mostly Cloudy

    • 15
    • 32

    Partly Sunny

    • 8
    • 30

    Partly Sunny

    • 3
    • 23

    Partly Sunny

Today 3 Dec Merrimack

Partly sunny. Highs in the lower 30s. Northwest Winds around 10 Mph with Gusts up to 20 Mph this Morning, becoming light and variable.

Tonight 3 Dec Merrimack

Cloudy. Lows around 20. Light and variable Winds.

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Penacook Lake Watershed Temperature Statistics

December Temperature

Concord Municipal Airport (4.3 miles)

  • Lowest 1 December, 2025

    16 °F

  • Average December

    30.1 °F

  • Highest 1 December, 2025

    37 °F

Climate (2020–Present)

Concord Municipal Airport (4.3 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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