Stonington Weather Forecast

    • 54
    • 67

    Mostly Sunny

    • 54
    • 67

    Mostly Sunny

    • 56
    • 66

    Mostly Cloudy

    • 57
    • 68

    Partly Sunny

    • 48
    • 68

    Mostly Sunny

    • 49
    • 63

    Mostly Sunny

Today 15 Sep Coastal Hancock

Sunny. Highs in the mid 70s. North Winds around 5 Mph, becoming west this afternoon.

Tonight 15 Sep Coastal Hancock

Mostly clear. Patchy fog after midnight. Lows in the lower 50s. Southwest Winds around 5 Mph, becoming northwest after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Stonington Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (22.4 miles)

  • Lowest 10 September, 2025

    43 °F

  • Average September

    60.2 °F

  • Highest 1 September, 2025

    75.9 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (22.4 miles)

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

  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.3 °F
Get WillyWeather+ to remove ads