Yarmouth Weather Forecast

    • 73
    • 87

    Chance Rain Showers

    • 71
    • 88

    Mostly Sunny

    • 72
    • 88

    Partly Sunny

    • 69
    • 88

    Slight Chance Rain Showers

    • 69
    • 83

    Slight Chance Rain Showers

    • 67
    • 83

    Slight Chance Rain Showers

    • 63
    • 81

    Partly Sunny

Today 8 Aug Barnstable

Sunny. Near steady temperature in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Aug Barnstable

Mostly cloudy with a chance of Showers this Evening, then partly cloudy after midnight. Patchy fog after midnight. Lows in the lower 70s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph this evening. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Yarmouth Temperature Statistics

August Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

  • Lowest 5 August, 2026

    60.1 °F

  • Average August

    74.8 °F

  • Highest 4 August, 2026

    82.9 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
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