Mystic River - Island End River Weather Forecast

    • 43
    • 62

    Partly Sunny

    • 55
    • 64

    Rain Showers

    • 53
    • 66

    Partly Sunny

    • 52
    • 63

    Rain Showers Likely

    • 45
    • 61

    Slight Chance Rain Showers

    • 47
    • 59

    Partly Sunny

Today 10 Oct Suffolk

Sunny. Near steady temperature in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 10 Oct Suffolk

Partly cloudy. Lows in the mid 40s. Southeast Winds around 5 Mph, becoming southwest after midnight.

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Mystic River - Island End River Temperature Statistics

October Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 7 October, 2026

    46 °F

  • Average October

    62.8 °F

  • Highest 2 October, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (2.5 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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