Popponesset Weather Forecast

    • 66
    • 72

    Chance Rain Showers

    • 68
    • 74

    Rain Showers Likely

    • 70
    • 77

    Rain Showers Likely

    • 67
    • 77

    Mostly Sunny

    • 67
    • 75

    Mostly Sunny

    • 70
    • 76

    Partly Sunny

    • 71
    • 77

    Chance Rain Showers

Today 21 Aug Barnstable

Showers likely. Patchy fog. Cooler. Near steady temperature around 70. Northeast Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 21 Aug Barnstable

Cloudy with a 50 percent chance of Showers. Near steady temperature in the upper 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Popponesset Temperature Statistics

August Temperature

Otis Air National Guard Base (5.6 miles)

  • Lowest 16 August, 2026

    55.4 °F

  • Average August

    73.7 °F

  • Highest 7 August, 2026

    89.6 °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

    51.9 °F

  • Average High 2021–2026

    59.1 °F
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