Allenstown Weather Forecast

    • 22
    • 39

    Gradual Clearing

    • 24
    • 35

    Partly Sunny

    • 30
    • 40

    Mostly Cloudy

    • 26
    • 43

    Chance Rain

    • 14
    • 34

    Slight Chance Snow

    • 14
    • 27

    Partly Sunny

Today 11 Jan Merrimack

Cloudy with a chance of drizzle and freezing drizzle or snow this Morning, then partly sunny this afternoon. Highs in the upper 30s. Light and variable Winds, becoming west around 10 Mph with Gusts up to 25 Mph this afternoon. Chance of precipitation 40 percent.

Tonight 11 Jan Merrimack

Partly cloudy. Lows in the lower 20s. West Winds 15 to 20 Mph with Gusts up to 40 Mph.

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Allenstown Temperature Statistics

January Temperature

Concord Municipal Airport (5.6 miles)

  • Lowest 2 January, 2026

    1 °F

  • Average January

    21.7 °F

  • Highest 8 January, 2026

    41 °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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