Contoocook Weather Forecast

    • 14
    • 28

    Increasing Clouds

    • 19
    • 32

    Chance Snow

    • 9
    • 28

    Slight Chance Snow

    • 12
    • 21

    Snow Showers

    • 13
    • 29

    Mostly Cloudy

    • 22
    • 37

    Mostly Cloudy

Today 12 Dec Merrimack

Mostly sunny. Highs in the upper 20s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Wind chill Values as low as 6 below this morning.

Tonight 12 Dec Merrimack

Mostly clear. Lows around 14. West Winds around 10 Mph in the Evening, becoming light and variable. Gusts up to 25 Mph.

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Contoocook Temperature Statistics

December Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 9 December, 2025

    -8 °F

  • Average December

    21.1 °F

  • Highest 1 December, 2025

    37 °F

Climate (2020–Present)

Concord Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.1 °F
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