Contoocook Weather Forecast

    • 12
    • 20

    Decreasing Clouds

    • 16
    • 28

    Snow Likely

    • 3
    • 24

    Slight Chance Snow

    • 10
    • 23

    Partly Sunny

    • 4
    • 22

    Partly Sunny

    • 7
    • 21

    Partly Sunny

Today 30 Dec Merrimack

Mostly cloudy. Highs around 18. West Winds 15 to 20 Mph with Gusts up to 40 Mph. Wind chill Values as low as 2 below.

Tonight 30 Dec Merrimack

Partly cloudy in the Evening, then clearing. Lows around 12. West Winds 10 to 15 Mph. Gusts up to 40 Mph, decreasing to 30 Mph after midnight. Wind chill Values as low as 3 below.

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Contoocook Temperature Statistics

December Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 9 December, 2025

    -8 °F

  • Average December

    23.9 °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

    38.5 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    60 °F
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