Connecticut River - Calves Island Weather Forecast

    • 53
    • 69

    Increasing Clouds

    • 56
    • 69

    Rain

    • 50
    • 68

    Slight Chance Rain Showers

    • 49
    • 65

    Mostly Cloudy

    • 50
    • 66

    Mostly Cloudy

    • 50
    • 65

    Chance Rain Showers

Today 19 Sep Southern New London

Mostly sunny. Highs in the upper 60s. Northeast Winds around 10 Mph, becoming east in the afternoon. Gusts up to 20 Mph.

Tonight 19 Sep Southern New London

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Connecticut River - Calves Island Temperature Statistics

September Temperature

Chester, Chester Airport (8.7 miles)

  • Lowest 15 September, 2026

    50 °F

  • Average September

    68.5 °F

  • Highest 10 September, 2026

    86 °F

Climate (2021–2026)

Chester, Chester Airport (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.6 °F
Get WillyWeather+ to remove ads