Connecticut River - Essex Weather Forecast

    • 50
    • 81

    Decreasing Clouds

    • 52
    • 70

    Partly Sunny

    • 56
    • 69

    Rain Showers

    • 51
    • 68

    Chance Rain Showers

    • 50
    • 65

    Slight Chance Rain Showers

    • 50
    • 66

    Mostly Cloudy

Today 18 Sep Southern Middlesex

Patchy fog this morning. Mostly sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 18 Sep Southern Middlesex

Mostly clear in the Evening, then becoming partly cloudy. Cooler. Less humid with Lows in the lower 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Connecticut River - Essex Temperature Statistics

September Temperature

Chester, Chester Airport (6.2 miles)

  • Lowest 15 September, 2026

    50 °F

  • Average September

    68.5 °F

  • Highest 10 September, 2026

    86 °F

Climate (2021–2026)

Chester, Chester Airport (6.2 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.6 °F
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