Merrimack River - Hales Island Weather Forecast

    • 50
    • 69

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 61
    • 77

    Chance Rain Showers

    • 49
    • 77

    Partly Sunny

    • 53
    • 66

    Chance Rain Showers

    • 54
    • 71

    Chance Rain Showers

Today 15 Sep Western Essex

Sunny. Highs in the upper 60s. North Winds around 5 Mph, becoming east around 5 Mph this afternoon.

Tonight 15 Sep Western Essex

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds around 5 Mph.

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Merrimack River - Hales Island Temperature Statistics

September Temperature

Lawrence Municipal Airport (4.3 miles)

  • Lowest 12 September, 2026

    46.9 °F

  • Average September

    66.7 °F

  • Highest 10 September, 2026

    86 °F

Climate (2021–2026)

Lawrence Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    60.9 °F
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