Mashnee Island Weather Forecast

    • 39
    • 46

    Increasing Clouds

    • 42
    • 44

    Rain Likely

    • 41
    • 54

    Chance Rain Showers

    • 40
    • 47

    Partly Sunny

    • 40
    • 48

    Mostly Cloudy

    • 42
    • 49

    Partly Sunny

Today 21 Apr Barnstable

Mostly sunny. Near steady temperature in the mid 40s. Northeast Winds 5 to 10 Mph.

Tonight 21 Apr Barnstable

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 30s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mashnee Island Temperature Statistics

April Temperature

Otis Air National Guard Base (7.5 miles)

  • Lowest 9 April, 2026

    21.2 °F

  • Average April

    46.6 °F

  • Highest 15 April, 2026

    78.8 °F

Climate (2021–Present)

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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