Merrimack Weather Forecast

    • 57
    • 80

    Chance Rain Showers

    • 56
    • 82

    Rain Showers

    • 49
    • 69

    Rain Showers Likely

    • 45
    • 56

    Rain Showers

    • 53
    • 63

    Rain Showers

    • 51
    • 70

    Rain Showers

Today 2 May Eastern Hillsborough

Cloudy with a chance of Showers with isolated Thunderstorms in the Morning, then partly sunny in the afternoon. Highs in the upper 70s. Light and variable Winds. Chance of rain 50 percent.

Tonight 2 May Eastern Hillsborough

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear with a slight chance of Showers after midnight. Lows in the upper 50s. Light and variable Winds. Chance of rain 30 percent.

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Merrimack Temperature Statistics

May Temperature

Manchester Airport (5 miles)

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  • Average May

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Climate (2020–Present)

Manchester Airport (5 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.1 °F
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