Mystic River - Island End River Weather Forecast

    • 38
    • 44

    Rain

    • 26
    • 42

    Rain Likely

    • 30
    • 38

    Partly Sunny

    • 34
    • 43

    Slight Chance Rain Showers

    • 30
    • 47

    Slight Chance Snow

    • 21
    • 37

    Chance Snow

Today 10 Jan Suffolk

Partly sunny in the Morning, then cloudy with a slight chance of rain in the afternoon. Highs in the mid 40s. West Winds 5 to 10 Mph, becoming northeast in the afternoon. Chance of rain 20 percent.

Tonight 10 Jan Suffolk

Mostly cloudy. Not as cool with Lows in the upper 30s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • 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

    26.5 °F

  • Highest 7 January, 2026

    37 °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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