Connecticut River - Goose Island Weather Forecast

    • 54
    • 70

    Rain

    • 50
    • 69

    Chance Rain

    • 49
    • 66

    Chance Rain Showers

    • 49
    • 67

    Mostly Cloudy

    • 50
    • 67

    Chance Rain Showers

    • 50
    • 67

    Chance Rain Showers

Today 20 Sep Southern New London

Cloudy. A chance of Showers in the Morning, then Showers in the afternoon. Highs in the upper 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 20 Sep Southern New London

Rain in the Evening, then Showers after midnight. Lows in the mid 50s. Southeast Winds 5 to 10 Mph, becoming northeast 10 to 15 Mph after midnight. Chance of rain near 100 percent.

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Connecticut River - Goose Island Temperature Statistics

September Temperature

Chester, Chester Airport (8.7 miles)

  • Lowest 15 September, 2026

    50 °F

  • Average September

    68.7 °F

  • Highest 10 September, 2026

    86 °F

Climate (2021–2026)

Chester, Chester Airport (8.7 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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