Merrimack River - Merrimacport Weather Forecast

    • 59
    • 81

    Becoming Sunny

    • 67
    • 84

    Chance Rain Showers

    • 61
    • 83

    Chance Thunderstorms

    • 55
    • 78

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 65
    • 82

    Slight Chance Rain Showers

Today 18 Jul Western Essex

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph. Gusts up to 30 Mph, decreasing to 20 Mph this afternoon.

Tonight 18 Jul Western Essex

Mostly clear. Lows in the upper 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Merrimack River - Merrimacport Temperature Statistics

July Temperature

Lawrence Municipal Airport (9.3 miles)

  • Lowest 5 July, 2025

    55.7 °F

  • Average July

    75.4 °F

  • Highest 6 July, 2025

    95.6 °F

Climate (2020–Present)

Lawrence Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    61.2 °F
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