Coolidge Corner South Side Weather Forecast

    • 62
    • 70

    Rain Showers

    • 52
    • 76

    Mostly Sunny

    • 54
    • 67

    Mostly Sunny

    • 62
    • 80

    Partly Sunny

    • 57
    • 77

    Chance Rain Showers

    • 56
    • 77

    Chance Rain Showers

Today 13 Sep Suffolk

Showers with a chance of Thunderstorms. Patchy fog. Some Thunderstorms may produce frequent lightning and heavy rainfall. Locally heavy rainfall possible. Highs around 70. Southeast Winds 5 to 10 Mph, becoming east this afternoon. Chance of rain near 100 percent.

Tonight 13 Sep Suffolk

Mostly cloudy. Patchy fog. A chance of Showers after midnight. Humid with Lows in the lower 60s. Northwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 40 percent.

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Coolidge Corner South Side Temperature Statistics

September Temperature

Boston, Logan International Airport (5.6 miles)

  • Lowest 6 September, 2026

    59.6 °F

  • Average September

    70.7 °F

  • Highest 10 September, 2026

    87.7 °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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