Middlesex Fells Reservation Weather Forecast

    • 27
    • 57

    Rain

    • 32
    • 39

    Partly Sunny

    • 23
    • 46

    Partly Sunny

    • 21
    • 30

    Partly Sunny

    • 29
    • 36

    Chance Snow

    • 23
    • 39

    Partly Sunny

Today 19 Dec Southeast Middlesex

Rain, breezy with Highs in the upper 50s. Temperature falling into the lower 50s in the afternoon. South Winds 20 to 25 Mph with Gusts up to 50 Mph. Chance of rain near 100 percent.

Tonight 19 Dec Southeast Middlesex

Mostly cloudy with a chance of rain in the Evening, then mostly clear after midnight. Cooler with Lows in the upper 20s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 30 percent.

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Middlesex Fells Reservation Temperature Statistics

December Temperature

Boston, Logan International Airport (8.1 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 (8.1 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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