Swan River Mouth Weather Forecast

    • 62
    • 72

    Sunny

    • 67
    • 74

    Mostly Sunny

    • 66
    • 75

    Partly Sunny

    • 66
    • 71

    Mostly Cloudy

    • 66
    • 72

    Partly Sunny

    • 66
    • 71

    Partly Sunny

    • 68
    • 74

    Mostly Sunny

Today 3 Aug Barnstable

Sunny. Near steady temperature in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 3 Aug Barnstable

Clear. Lows around 60. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Swan River Mouth Temperature Statistics

August Temperature

Hyannis, Barnstable Municipal-Boardman Airport (5.6 miles)

  • Lowest 1 August, 2025

    55.9 °F

  • Average August

    63.1 °F

  • Highest 1 August, 2025

    68 °F

Climate (2020–Present)

Hyannis, Barnstable Municipal-Boardman Airport (5.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    59.9 °F
Get WillyWeather+ to remove ads