Coolidge Corner South Side Weather Forecast

    • 54
    • 69

    Becoming Sunny

    • 60
    • 78

    Mostly Sunny

    • 61
    • 80

    Partly Sunny

    • 69
    • 78

    Chance Rain Showers

    • 61
    • 83

    Partly Sunny

    • 56
    • 73

    Mostly Sunny

Today 6 Sep Suffolk

Partly sunny. A slight chance of Showers this morning. Highs in the upper 60s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 6 Sep Suffolk

Mostly clear. Lows in the mid 50s. Southwest Winds around 5 Mph, becoming northwest around 5 Mph after midnight.

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Coolidge Corner South Side Temperature Statistics

September Temperature

Boston, Logan International Airport (5.6 miles)

  • Lowest 1 September, 2026

    63.6 °F

  • Average September

    68.6 °F

  • Highest 4 September, 2026

    79 °F

Climate (2021–2026)

Boston, Logan International Airport (5.6 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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