Allenstown Weather Forecast

    • 2
    • 21

    Increasing Clouds

    • 0
    • 20

    Partly Sunny

    • -5
    • 15

    Mostly Sunny

    • 3
    • 21

    Partly Sunny

    • 13
    • 25

    Chance Snow Showers

    • 13
    • 30

    Partly Sunny

Today 28 Jan Merrimack

Mostly sunny. Highs around 19. Light and variable Winds.

Tonight 28 Jan Merrimack

Mostly cloudy. Lows around 2 above. Light and variable Winds.

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Allenstown Temperature Statistics

January Temperature

Concord Municipal Airport (5.6 miles)

  • Lowest 21 January, 2026

    -5.4 °F

  • Average January

    23.7 °F

  • Highest 14 January, 2026

    49.6 °F

Climate (2021–Present)

Concord Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    60 °F
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