Popponesset Weather Forecast

    • 66
    • 71

    Increasing Clouds

    • 66
    • 73

    Rain Showers

    • 60
    • 73

    Chance Rain Showers

    • 60
    • 67

    Mostly Sunny

    • 64
    • 71

    Mostly Sunny

    • 64
    • 73

    Slight Chance Rain Showers

Today 12 Sep Barnstable

Sunny. Highs in the lower 70s. East Winds around 5 Mph, becoming south with Gusts up to 20 Mph in the afternoon.

Tonight 12 Sep Barnstable

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Popponesset Temperature Statistics

September Temperature

Otis Air National Guard Base (5.6 miles)

  • Lowest 6 September, 2026

    55.4 °F
  • Average September

    66.6 °F
  • Highest 4 September, 2026

    80.6 °F

Climate (2021–2026)

Otis Air National Guard Base (5.6 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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