Mystic River - Island End River Weather Forecast

    • 41
    • 60

    Sunny

    • 45
    • 66

    Sunny

    • 44
    • 67

    Mostly Sunny

    • 35
    • 53

    Mostly Sunny

    • 40
    • 54

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

Today 24 Oct Suffolk

Partly cloudy. Lows in the upper 40s. Highs in the lower 60s.

Tonight 24 Oct Suffolk

Clear. Lows around 40. South Winds around 5 Mph, becoming west around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mystic River - Island End River Temperature Statistics

October Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 18 October, 2026

    37.7 °F

  • Average October

    58.5 °F

  • Highest 2 October, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (2.5 miles)

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

  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    60.9 °F
Get WillyWeather+ to remove ads