Merrimack Weather Forecast

    • 34
    • 64

    Mostly Sunny

    • 32
    • 59

    Mostly Sunny

    • 36
    • 56

    Mostly Cloudy

    • 39
    • 60

    Mostly Cloudy

    • 39
    • 59

    Mostly Cloudy

    • 42
    • 59

    Rain Showers Likely

Today 23 Apr Eastern Hillsborough

Mostly sunny. Highs in the lower 60s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Apr Eastern Hillsborough

Mostly clear. Lows in the mid 30s. Northwest Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimack Temperature Statistics

April Temperature

Manchester Airport (5 miles)

  • Lowest 7 April, 2026

    26.7 °F

  • Average April

    50.2 °F

  • Highest 14 April, 2026

    85.6 °F

Climate (2021–Present)

Manchester Airport (5 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.8 °F
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