Mystic River - Island End River Weather Forecast

    • 65
    • 93

    Rain Showers

    • 60
    • 86

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 61
    • 83

    Chance Rain Showers

    • 67
    • 84

    Chance Rain Showers

    • 64
    • 89

    Slight Chance Rain Showers

    • 63
    • 87

    Mostly Sunny

Today 14 Jun Suffolk

Mostly sunny. Hot. Near steady temperature in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 14 Jun Suffolk

Mostly cloudy. Showers likely with a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mystic River - Island End River Temperature Statistics

June Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 1 June, 2026

    49.6 °F

  • Average June

    71.5 °F

  • Highest 10 June, 2026

    90.6 °F

Climate (2021–Present)

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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