Merrimack Weather Forecast

    • 64
    • 85

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

    • 70
    • 97

    Rain Showers Likely

    • 63
    • 84

    Slight Chance Thunderstorms

    • 64
    • 84

    Chance Rain Showers

    • 64
    • 87

    Slight Chance Rain Showers

Today 23 Jul Eastern Hillsborough

Mostly sunny. Highs in the mid 80s. Light and variable Winds.

Tonight 23 Jul Eastern Hillsborough

Mostly clear. Lows in the mid 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimack Temperature Statistics

July Temperature

Manchester Airport (5 miles)

  • Lowest 5 July, 2025

    52.6 °F

  • Average July

    76.2 °F

  • Highest 16 July, 2025

    96.7 °F

Climate (2020–Present)

Manchester Airport (5 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62 °F
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