Merrimack River - Hales Island Weather Forecast

    • 53
    • 69

    Mostly Cloudy

    • 53
    • 72

    Mostly Cloudy

    • 64
    • 79

    Partly Sunny

    • 54
    • 81

    Chance Rain Showers

    • 45
    • 68

    Chance Rain Showers

    • 45
    • 63

    Chance Rain Showers

Today 29 Sep Western Essex

Mostly cloudy. Patchy drizzle this morning. Patchy fog this morning. Not as cool with Highs in the upper 60s. Northwest Winds around 5 Mph.

Tonight 29 Sep Western Essex

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

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Merrimack River - Hales Island Temperature Statistics

September Temperature

Lawrence Municipal Airport (4.3 miles)

  • Lowest 23 September, 2026

    43 °F

  • Average September

    62.7 °F

  • Highest 10 September, 2026

    86 °F

Climate (2021–2026)

Lawrence Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    60.8 °F
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