Popponesset Bay - Mashpee River Entrance Weather Forecast

    • 40
    • 48

    Increasing Clouds

    • 28
    • 54

    Rain

    • 33
    • 43

    Mostly Cloudy

    • 23
    • 47

    Slight Chance Rain

    • 22
    • 33

    Partly Sunny

    • 29
    • 41

    Chance Rain

Today 18 Dec Barnstable

Sunny. Highs in the upper 40s. South Winds 10 to 15 Mph.

Tonight 18 Dec Barnstable

Mostly clear. Near steady temperature in the mid 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Popponesset Bay - Mashpee River Entrance Temperature Statistics

December Temperature

Otis Air National Guard Base (4.3 miles)

  • Lowest 5 December, 2025

    10.4 °F

  • Average December

    31.6 °F

  • Highest 10 December, 2025

    50 °F

Climate (2020–Present)

Otis Air National Guard Base (4.3 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    59.3 °F
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