Thompson Island Weather Forecast

    • 67
    • 75

    Slight Chance Rain Showers

    • 63
    • 80

    Partly Sunny

    • 63
    • 79

    Mostly Sunny

    • 66
    • 80

    Partly Sunny

    • 69
    • 82

    Chance Rain Showers

    • 68
    • 81

    Chance Rain Showers

    • 64
    • 80

    Partly Sunny

Today 23 Aug Suffolk

Showers with isolated Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the mid 70s. East Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 23 Aug Suffolk

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Areas of dense fog after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Visibility one quarter mile or less at Times after midnight. Humid with Lows in the mid 60s. Southeast Winds around 5 Mph, becoming southwest after midnight. Chance of rain 30 percent.

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Thompson Island Temperature Statistics

August Temperature

Boston, Logan International Airport (3.1 miles)

  • Lowest 16 August, 2026

    62.7 °F

  • Average August

    77.3 °F

  • Highest 7 August, 2026

    94.6 °F

Climate (2021–2026)

Boston, Logan International Airport (3.1 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    61 °F
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