Henniker Weather Forecast

    • 22
    • 40

    Becoming Sunny

    • 29
    • 41

    Chance Freezing Rain

    • 34
    • 59

    Rain

    • 16
    • 43

    Partly Sunny

    • 22
    • 36

    Mostly Cloudy

    • 26
    • 43

    Mostly Cloudy

Today 14 Mar Merrimack

Partly sunny. A chance of snow this Morning, then a chance of rain or snow Showers this afternoon. Highs in the lower 40s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west 15 to 25 Mph with Gusts up to 40 Mph this afternoon. Chance of precipitation 40 percent.

Tonight 14 Mar Merrimack

Mostly clear. Lows in the lower 20s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Henniker Temperature Statistics

March Temperature

Concord Municipal Airport (16.2 miles)

  • Lowest 3 March, 2026

    -0.3 °F

  • Average March

    33.6 °F

  • Highest 10 March, 2026

    71.1 °F

Climate (2021–Present)

Concord Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    60 °F
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