Henniker Weather Forecast

    • 0
    • 18

    Slight Chance Snow Showers

    • 1
    • 19

    Partly Sunny

    • -1
    • 19

    Partly Sunny

    • -3
    • 15

    Partly Sunny

    • 3
    • 20

    Chance Snow

    • 12
    • 24

    Chance Snow

    • 11
    • 29

    Partly Sunny

Today 27 Jan Merrimack

Mostly cloudy with a 20 percent chance of snow Showers. Highs around 18. Light and variable Winds.

Tonight 27 Jan Merrimack

Partly cloudy with a slight chance of snow Showers in the Evening, then mostly clear after midnight. Lows around 2 below. Light and variable Winds. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Henniker Temperature Statistics

January Temperature

Concord Municipal Airport (16.2 miles)

  • Lowest 21 January, 2026

    -5.4 °F

  • Average January

    24.1 °F

  • Highest 14 January, 2026

    49.6 °F

Climate (2021–Present)

Concord Municipal Airport (16.2 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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