Mystic River - Island End River Weather Forecast

    • 70
    • 96

    Rain Showers

    • 64
    • 79

    Partly Sunny

    • 63
    • 80

    Rain Showers Likely

    • 64
    • 73

    Chance Thunderstorms

    • 68
    • 79

    Slight Chance Rain Showers

    • 71
    • 91

    Partly Sunny

Today 4 Jul Suffolk

Sunny, hot with Highs in the mid 90s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 4 Jul Suffolk

Partly cloudy. Lows in the upper 60s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mystic River - Island End River Temperature Statistics

July Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 1 July, 2026

    72 °F

  • Average July

    81.9 °F

  • Highest 1 July, 2026

    90 °F

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

    60.9 °F
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