Mason's Island Weather Forecast

    • 44
    • 58

    Rain Likely

    • 43
    • 57

    Mostly Sunny

    • 44
    • 59

    Chance Rain

    • 37
    • 52

    Mostly Sunny

    • 50
    • 59

    Rain Showers Likely

    • 41
    • 59

    Chance Rain Showers

Today 3 Nov Southern New London

Cloudy. A chance of rain this afternoon. Highs in the upper 50s. South Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 30 percent.

Tonight 3 Nov Southern New London

Mostly cloudy with a chance of rain with isolated Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 40s. Southwest Winds 10 to 15 Mph, becoming west 15 to 20 Mph after midnight. Gusts up to 30 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason's Island Temperature Statistics

November Temperature

Groton / New London, Groton / New London Airport (3.7 miles)

  • Lowest 1 November, 2025

    41 °F

  • Average November

    47.5 °F

  • Highest 1 November, 2025

    54 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (3.7 miles)

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

  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    61.1 °F
Get WillyWeather+ to remove ads