Mystic River - Amelia Earhart Dam Weather Forecast

    • 71
    • 79

    Rain Showers Likely

    • 60
    • 88

    Chance Rain Showers

    • 56
    • 74

    Mostly Sunny

    • 60
    • 75

    Slight Chance Thunderstorms

    • 65
    • 81

    Chance Rain Showers

    • 65
    • 83

    Partly Sunny

Today 9 Sep Southeast Middlesex

Mostly cloudy. Highs in the upper 70s. East Winds around 5 Mph, becoming south with Gusts up to 20 Mph this afternoon.

Tonight 9 Sep Southeast Middlesex

Mostly cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Not as cool. Humid with Lows around 70. 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 - Amelia Earhart Dam Temperature Statistics

September Temperature

Boston, Logan International Airport (3.7 miles)

  • Lowest 7 September, 2026

    59 °F

  • Average September

    69 °F

  • Highest 4 September, 2026

    85.6 °F

Climate (2021–2026)

Boston, Logan International Airport (3.7 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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