Connecticut River - Calves Island Weather Forecast

    • 62
    • 79

    Patchy Fog

    • 63
    • 82

    Increasing Clouds

    • 69
    • 80

    Slight Chance Rain Showers

    • 72
    • 84

    Chance Thunderstorms

    • 71
    • 85

    Slight Chance Thunderstorms

    • 71
    • 84

    Chance Rain Showers

    • 70
    • 84

    Slight Chance Thunderstorms

Today 3 Aug Southern New London

Showers with a chance of Thunderstorms. Highs in the upper 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 3 Aug Southern New London

Mostly cloudy with a chance of Showers this Evening, then partly cloudy after midnight. Patchy fog after midnight. Lows in the lower 60s. West Winds 10 to 15 Mph, becoming northwest around 5 Mph after midnight. Chance of rain 50 percent.

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Connecticut River - Calves Island Temperature Statistics

August Temperature

Chester, Chester Airport (8.7 miles)

  • Lowest 1 August, 2026

    68 °F

  • Average August

    76.7 °F

  • Highest 1 August, 2026

    87.8 °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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