Mystic River - Island End River Weather Forecast

    • 30
    • 43

    Rain Likely

    • 25
    • 39

    Chance Snow

    • 19
    • 34

    Mostly Sunny

    • 13
    • 25

    Mostly Sunny

    • 26
    • 32

    Mostly Cloudy

    • 22
    • 39

    Chance Snow Showers

Today 17 Jan Suffolk

Cloudy. A chance of snow and rain this Morning, then rain likely this afternoon. Not as cool with Highs in the lower 40s. South Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of precipitation 60 percent.

Tonight 17 Jan Suffolk

Mostly cloudy. A slight chance of rain in the evening. Patchy fog in the evening. Lows in the lower 30s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Mystic River - Island End River Temperature Statistics

January Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 5 January, 2026

    16 °F

  • Average January

    33.2 °F

  • Highest 9 January, 2026

    52 °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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