Mouse Island Weather Forecast

    • 46
    • 58

    Rain Showers Likely

    • 44
    • 56

    Breezy

    • 45
    • 59

    Chance Rain

    • 37
    • 52

    Mostly Sunny

    • 52
    • 58

    Rain Likely

    • 42
    • 58

    Slight Chance Rain

    • 41
    • 54

    Chance Rain

Today 3 Nov Southern New London

Cloudy with a 20 percent chance of Showers. Highs in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 3 Nov Southern New London

Mostly cloudy with a chance of Showers with isolated Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 40s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west with Gusts up to 40 Mph after midnight. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mouse Island Temperature Statistics

November Temperature

Groton / New London, Groton / New London Airport (3.1 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 (3.1 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