Thompson Island Weather Forecast

    • 56
    • 62

    Increasing Clouds

    • 54
    • 61

    Mostly Cloudy

    • 53
    • 61

    Mostly Cloudy

    • 53
    • 62

    Mostly Cloudy

    • 54
    • 62

    Chance Rain Showers

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    • 63

    Chance Rain Showers

Today 21 Sep Suffolk

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs in the mid 60s. Northeast Winds 10 to 15 Mph.

Tonight 21 Sep Suffolk

Mostly cloudy. Lows in the mid 50s. Northeast Winds 10 to 15 Mph.

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Thompson Island Temperature Statistics

September Temperature

Boston, Logan International Airport (3.1 miles)

  • Lowest 15 September, 2026

    53.7 °F

  • Average September

    69.3 °F

  • Highest 10 September, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (3.1 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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