Henniker Weather Forecast

    • 55
    • 74

    Rain Showers Likely

    • 48
    • 65

    Chance Rain Showers

    • 43
    • 60

    Mostly Cloudy

    • 44
    • 58

    Mostly Cloudy

    • 42
    • 53

    Rain Showers Likely

    • 42
    • 50

    Rain Showers Likely

    • 43
    • 56

    Rain Showers Likely

Today 17 May Merrimack

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall. Highs in the lower 70s. Southeast Winds around 10 Mph. Chance of rain 50 percent.

Tonight 17 May Merrimack

Mostly cloudy with Showers likely with a chance of Thunderstorms early this Evening, then partly cloudy with a chance of Showers. Patchy fog. Lows in the mid 50s. Light and variable Winds, becoming west around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Henniker Temperature Statistics

May Temperature

Concord Municipal Airport (16.2 miles)

  • Lowest 12 May, 2025

    34.6 °F

  • Average May

    57.8 °F

  • Highest 12 May, 2025

    81.6 °F

Climate (2020–Present)

Concord Municipal Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.1 °F
Get WillyWeather+ to remove ads