Brookline Weather Forecast

    • 22
    • 45

    Mostly Sunny

    • 25
    • 34

    Partly Sunny

    • 30
    • 38

    Rain/Snow

    • 24
    • 37

    Partly Sunny

    • 30
    • 39

    Mostly Cloudy

    • 28
    • 41

    Chance Rain

Today 21 Dec Suffolk

Mostly sunny. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. Southwest Winds 10 to 15 Mph, becoming west 15 to 20 Mph in the afternoon. Gusts up to 35 Mph.

Tonight 21 Dec Suffolk

Mostly cloudy. Near steady temperature in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

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Brookline Temperature Statistics

December Temperature

Boston, Logan International Airport (5.6 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    31.7 °F

  • Highest 10 December, 2025

    48 °F

Climate (2020–Present)

Boston, Logan International Airport (5.6 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61 °F
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