Mystic River - Island End River Weather Forecast

    • 70
    • 85

    Rain Showers

    • 65
    • 80

    Rain Showers

    • 65
    • 84

    Partly Sunny

    • 69
    • 84

    Chance Rain Showers

    • 72
    • 87

    Slight Chance Thunderstorms

    • 73
    • 88

    Slight Chance Thunderstorms

    • 71
    • 87

    Chance Rain Showers

Today 2 Aug Suffolk

Partly sunny. Near steady temperature in the lower 80s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 2 Aug Suffolk

Mostly cloudy. A slight chance of Showers this Evening, then Showers with a chance of Thunderstorms after midnight. Patchy fog after midnight. Locally heavy rainfall possible after midnight. Lows around 70. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

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Mystic River - Island End River Temperature Statistics

August Temperature

Boston, Logan International Airport (2.5 miles)

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  • Average August

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Climate (2021–2026)

Boston, Logan International Airport (2.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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