Thatch Island Weather Forecast

    • 53
    • 72

    Becoming Sunny

    • 54
    • 72

    Mostly Sunny

    • 59
    • 73

    Partly Sunny

    • 59
    • 73

    Mostly Sunny

    • 61
    • 73

    Partly Sunny

    • 62
    • 73

    Chance Rain Showers

Today 30 Aug Barnstable

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

Tonight 30 Aug Barnstable

Mostly cloudy with a chance of Showers with isolated Thunderstorms. Near steady temperature in the lower 60s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thatch Island Temperature Statistics

August Temperature

Otis Air National Guard Base (5.6 miles)

  • Lowest 9 August, 2025

    46.4 °F

  • Average August

    68 °F

  • Highest 11 August, 2025

    89.6 °F

Climate (2020–Present)

Otis Air National Guard Base (5.6 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    59.4 °F
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