Thatch Island Weather Forecast

    • 66
    • 75

    Rain Showers

    • 64
    • 78

    Slight Chance Rain Showers

    • 60
    • 70

    Mostly Sunny

    • 60
    • 68

    Mostly Sunny

    • 63
    • 72

    Mostly Sunny

    • 63
    • 73

    Partly Sunny

Today 3 Sep Barnstable

Mostly cloudy. Showers with a chance of Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Patchy fog. Highs in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 3 Sep Barnstable

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Patchy fog. Visibility one quarter mile or less at Times after midnight. Humid with Lows in the mid 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain 20 percent.

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Thatch Island Temperature Statistics

September Temperature

Otis Air National Guard Base (5.6 miles)

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Climate (2021–2026)

Otis Air National Guard Base (5.6 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    59.1 °F
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