Merrimack Weather Forecast

    • 53
    • 82

    Sunny

    • 56
    • 85

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

    • 58
    • 85

    Partly Sunny

    • 62
    • 85

    Chance Rain Showers

    • 62
    • 84

    Chance Rain Showers

Today 23 Jul Eastern Hillsborough

Sunny. Highs in the lower 80s. Light and variable Winds, becoming northwest around 10 Mph this afternoon.

Tonight 23 Jul Eastern Hillsborough

Clear. Lows in the lower 50s. Light and variable Winds.

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Merrimack Temperature Statistics

July Temperature

Manchester Airport (5 miles)

  • Lowest 20 July, 2026

    51.7 °F

  • Average July

    74.9 °F

  • Highest 2 July, 2026

    97.6 °F

Climate (2021–2026)

Manchester Airport (5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.9 °F
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