Popponesset Bay Weather Forecast

    • 66
    • 78

    Rain Showers Likely

    • 67
    • 79

    Partly Sunny

    • 71
    • 78

    Slight Chance Rain Showers

    • 72
    • 80

    Partly Sunny

    • 72
    • 80

    Partly Sunny

    • 71
    • 81

    Slight Chance Rain Showers

Today 3 Aug Barnstable

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Patchy fog. Near steady temperature in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 50 percent.

Tonight 3 Aug Barnstable

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers after midnight. Patchy fog in the evening. Humid with Lows in the upper 60s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming west 5 to 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Popponesset Bay Temperature Statistics

August Temperature

Otis Air National Guard Base (5 miles)

  • Lowest 1 August, 2026

    64.4 °F

  • Average August

    73.5 °F

  • Highest 1 August, 2026

    82.4 °F

Climate (2021–2026)

Otis Air National Guard Base (5 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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