Contoocook Weather Forecast

    • 23
    • 32

    Snow

    • 15
    • 35

    Chance Snow

    • 6
    • 34

    Mostly Cloudy

    • 9
    • 19

    Chance Snow

    • 15
    • 23

    Chance Snow

    • 18
    • 34

    Snow Likely

Today 23 Dec Merrimack

Cloudy. A chance of snow in the Morning, then snow in the afternoon. Snow accumulation around an inch. Highs in the upper 20s. Light and variable Winds. Chance of snow 90 percent.

Tonight 23 Dec Merrimack

Snow. Additional snow accumulation of 1 to 3 Inches. Total snow accumulation 2 to 5 Inches. Lows in the lower 20s. Light and variable Winds, becoming northwest around 10 Mph with Gusts up to 20 Mph after midnight. Chance of snow 90 percent.

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Contoocook Temperature Statistics

December Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 9 December, 2025

    -8 °F

  • Average December

    24.7 °F

  • Highest 19 December, 2025

    55.9 °F

Climate (2020–Present)

Concord Municipal Airport (10.6 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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