The Five Sisters Weather Forecast

    • 63
    • 76

    Mostly Sunny

    • 63
    • 76

    Partly Sunny

    • 70
    • 76

    Chance Rain Showers

    • 65
    • 81

    Slight Chance Thunderstorms

    • 62
    • 72

    Mostly Sunny

    • 64
    • 72

    Mostly Sunny

Today 7 Sep Suffolk

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 7 Sep Suffolk

Mostly clear. Lows in the lower 60s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

The Five Sisters Temperature Statistics

September Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 1 September, 2026

    63.6 °F

  • Average September

    69.5 °F

  • Highest 4 September, 2026

    85.6 °F

Climate (2021–2026)

Boston, Logan International Airport (2.5 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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