Merrimack Weather Forecast

    • 51
    • 74

    Increasing Clouds

    • 51
    • 75

    Chance Rain

    • 45
    • 68

    Rain

    • 44
    • 59

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 59
    • 79

    Mostly Cloudy

Today 24 Apr Eastern Hillsborough

Mostly sunny. Highs in the lower 70s. Light and variable Winds.

Tonight 24 Apr Eastern Hillsborough

Partly cloudy with a 20 percent chance of Showers. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimack Temperature Statistics

April Temperature

Manchester Airport (5 miles)

  • Lowest 10 April, 2025

    25.8 °F

  • Average April

    47.6 °F

  • Highest 19 April, 2025

    83.6 °F

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 °F
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