Mashnee Island Weather Forecast

    • 31
    • 43

    Gradual Clearing

    • 27
    • 40

    Slight Chance Freezing Rain

    • 19
    • 32

    Partly Sunny

    • 36
    • 39

    Slight Chance Rain

    • 39
    • 48

    Chance Rain

    • 29
    • 43

    Chance Snow

Today 6 Dec Barnstable

Mostly cloudy. A slight chance of rain this afternoon. Highs in the lower 40s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 6 Dec Barnstable

Mostly cloudy in the Evening, then clearing. Lows in the lower 30s. West Winds 5 to 10 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

December Temperature

Otis Air National Guard Base (7.5 miles)

  • Lowest 2 December, 2025

    21.2 °F

  • Average December

    37.3 °F

  • Highest 2 December, 2025

    48.2 °F

Climate (2020–Present)

Otis Air National Guard Base (7.5 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    59.3 °F
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