Mystic River - Island End River Weather Forecast

    • 4
    • 23

    Becoming Sunny

    • -1
    • 17

    Mostly Sunny

    • 11
    • 21

    Chance Snow

    • 18
    • 26

    Snow Likely

    • 14
    • 33

    Partly Sunny

    • 12
    • 32

    Partly Sunny

Today 29 Jan Suffolk

Mostly sunny. Cold with Highs in the lower 20s. Northwest Winds 10 to 15 Mph.

Tonight 29 Jan Suffolk

Mostly cloudy and cold. Near steady temperature around 8 above. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Mystic River - Island End River Temperature Statistics

January Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 24 January, 2026

    5 °F

  • Average January

    30.7 °F

  • Highest 15 January, 2026

    53.7 °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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