Mystic River - Island End River Weather Forecast

    • 24
    • 28

    Snow Likely

    • 33
    • 38

    Chance Rain

    • 30
    • 43

    Chance Rain

    • 33
    • 45

    Slight Chance Rain

    • 44
    • 51

    Chance Rain

    • 37
    • 54

    Chance Rain

Today 5 Jan Suffolk

Partly sunny this Morning, then cloudy with a chance of snow this afternoon. Highs in the upper 20s. Northwest Winds around 5 Mph, becoming southwest this afternoon. Chance of snow 30 percent.

Tonight 5 Jan Suffolk

Cloudy. Snow likely in the Evening, then a chance of freezing rain and snow after midnight. Snow accumulation around an inch. Near steady temperature in the mid 20s. South Winds around 5 Mph. Chance of precipitation 70 percent.

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Mystic River - Island End River Temperature Statistics

January Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 1 January, 2026

    17.1 °F

  • Average January

    24 °F

  • Highest 3 January, 2026

    32 °F

Climate (2021–Present)

Boston, Logan International Airport (2.5 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    61 °F
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