Mashnee Island Weather Forecast

    • 63
    • 79

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 64
    • 75

    Mostly Sunny

    • 66
    • 76

    Rain Showers

    • 64
    • 77

    Slight Chance Rain Showers

    • 65
    • 78

    Partly Sunny

    • 68
    • 78

    Partly Sunny

Today 13 Aug Barnstable

Partly sunny with a 40 percent chance of Showers. Near steady temperature in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 13 Aug Barnstable

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 60s. Southwest Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mashnee Island Temperature Statistics

August Temperature

Otis Air National Guard Base (7.5 miles)

  • Lowest 5 August, 2026

    60.8 °F

  • Average August

    75.7 °F

  • Highest 7 August, 2026

    89.6 °F

Climate (2021–2026)

Otis Air National Guard Base (7.5 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.1 °F
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