Merrimack River - Haverhill Weather Forecast

    • 58
    • 79

    Increasing Clouds

    • 63
    • 84

    Mostly Cloudy

    • 58
    • 79

    Partly Sunny

    • 60
    • 75

    Chance Rain Showers

    • 62
    • 75

    Rain Showers Likely

    • 60
    • 78

    Chance Rain Showers

Today 29 Aug Western Essex

Sunny. Highs in the upper 70s. North Winds around 5 Mph, becoming southwest.

Tonight 29 Aug Western Essex

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

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Merrimack River - Haverhill Temperature Statistics

August Temperature

Lawrence Municipal Airport (4.3 miles)

  • Lowest 16 August, 2026

    54 °F

  • Average August

    73.3 °F

  • Highest 6 August, 2026

    90 °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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