Mystic River - Amelia Earhart Dam Weather Forecast

    • 39
    • 48

    Rain

    • 27
    • 57

    Rain

    • 32
    • 39

    Slight Chance Rain

    • 23
    • 46

    Slight Chance Rain

    • 21
    • 31

    Partly Sunny

    • 29
    • 37

    Chance Rain/Snow

    • 24
    • 39

    Partly Sunny

Today 18 Dec Southeast Middlesex

Sunny. Highs in the upper 40s. South Winds 5 to 10 Mph.

Tonight 18 Dec Southeast Middlesex

Mostly cloudy. A chance of rain after midnight. Not as cool with Lows in the upper 30s. Temperature rising to around 50 after midnight. South Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

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Mystic River - Amelia Earhart Dam Temperature Statistics

December Temperature

Boston, Logan International Airport (3.7 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    30.7 °F

  • Highest 10 December, 2025

    48 °F

Climate (2020–Present)

Boston, Logan International Airport (3.7 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    61 °F
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