Mystic River - Island End River Weather Forecast

    • 40
    • 66

    Chance Rain

    • 38
    • 65

    Rain Likely

    • 38
    • 42

    Chance Rain/Snow

    • 53
    • 65

    Rain/Snow Likely

    • 44
    • 67

    Chance Rain

Today 31 Mar Suffolk

Mostly cloudy. Numerous Showers with isolated Thunderstorms, then scattered Showers. Some Thunderstorms may produce heavy rainfall. Highs in the mid 60s. Temperature falling into the upper 40s. Southwest Winds 10 to 15 Mph, becoming south. Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 31 Mar Suffolk

Mostly cloudy with scattered Showers with isolated Thunderstorms. Patchy fog in the evening. Some Thunderstorms may produce heavy rainfall. Cooler with Lows around 40. East Winds 10 to 15 Mph, becoming south 5 to 10 Mph after midnight. Chance of rain 50 percent.

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Mystic River - Island End River Temperature Statistics

March Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 2 March, 2026

    12.7 °F

  • Average March

    41.3 °F

  • Highest 10 March, 2026

    75.7 °F

Climate (2021–Present)

Boston, Logan International Airport (2.5 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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