Popponesset Bay - Daniels Island Weather Forecast

    • 63
    • 78

    Becoming Sunny

    • 60
    • 70

    Partly Sunny

    • 59
    • 67

    Mostly Sunny

    • 62
    • 71

    Mostly Sunny

    • 61
    • 72

    Partly Sunny

    • 65
    • 70

    Chance Rain Showers

Today 4 Sep Barnstable

Mostly sunny. Patchy fog. Highs in the upper 70s. North Winds around 5 Mph.

Tonight 4 Sep Barnstable

Partly cloudy in the Evening, then clearing. Humid with Lows in the mid 60s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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Popponesset Bay - Daniels Island Temperature Statistics

September Temperature

Otis Air National Guard Base (4.3 miles)

  • Lowest 1 September, 2026

    59 °F

  • Average September

    65.3 °F

  • Highest 2 September, 2026

    73.4 °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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