Popponesset Weather Forecast

    • 63
    • 72

    Slight Chance Rain Showers

    • 55
    • 73

    Mostly Sunny

    • 56
    • 65

    Mostly Sunny

    • 58
    • 65

    Partly Sunny

    • 62
    • 69

    Partly Sunny

    • 64
    • 71

    Partly Sunny

Today 18 Sep Barnstable

Mostly Cloudy, then becoming partly sunny. Patchy drizzle. Patchy fog. Near steady temperature around 70. North Winds around 5 Mph.

Tonight 18 Sep Barnstable

Partly cloudy in the Evening, then becoming mostly clear. Patchy fog. Lows in the lower 60s. West 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 13 September, 2025

    44.6 °F

  • Average September

    63.9 °F

  • Highest 6 September, 2025

    82.4 °F

Climate (2020–Present)

Otis Air National Guard Base (5.6 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    59.4 °F
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