Popponesset Bay - Mashpee River Entrance Weather Forecast

    • 64
    • 76

    Partly Cloudy

    • 66
    • 77

    Rain Showers Likely

    • 65
    • 77

    Rain Showers

    • 65
    • 81

    Mostly Sunny

    • 67
    • 81

    Partly Sunny

    • 68
    • 80

    Chance Rain Showers

    • 67
    • 83

    Partly Sunny

Today 21 Jun Barnstable

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

Tonight 21 Jun Barnstable

Partly cloudy. Lows in the mid 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Popponesset Bay - Mashpee River Entrance Temperature Statistics

June Temperature

Otis Air National Guard Base (4.3 miles)

  • Lowest 2 June, 2026

    37.4 °F

  • Average June

    67.1 °F

  • Highest 12 June, 2026

    87.8 °F

Climate (2021–2026)

Otis Air National Guard Base (4.3 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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