Allenstown Weather Forecast

    • 19
    • 28

    Snow Likely

    • 16
    • 39

    Partly Sunny

    • -3
    • 26

    Partly Sunny

    • -3
    • 9

    Cold

    • 4
    • 13

    Chance Snow Showers

    • 4
    • 19

    Chance Snow Showers

Today 21 Jan Merrimack

Mostly sunny this Morning, then mostly cloudy with a slight chance of snow this afternoon. Highs in the mid 20s. Light and variable Winds, becoming south around 10 Mph this afternoon. Chance of snow 20 percent.

Tonight 21 Jan Merrimack

Cloudy with snow likely in the Evening, then partly cloudy with a slight chance of snow after midnight. Snow accumulation around an inch. Not as cold with Lows around 18. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of snow 60 percent.

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Allenstown Temperature Statistics

January Temperature

Concord Municipal Airport (5.6 miles)

  • Lowest 2 January, 2026

    1 °F

  • Average January

    27.6 °F

  • Highest 14 January, 2026

    48 °F

Climate (2021–Present)

Concord Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    60 °F
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