Swan River Mouth Weather Forecast

    • 63
    • 70

    Rain Showers

    • 66
    • 74

    Mostly Sunny

    • 66
    • 73

    Partly Sunny

    • 67
    • 73

    Chance Rain Showers

    • 67
    • 75

    Chance Rain Showers

    • 67
    • 75

    Mostly Sunny

Today 23 Jun Barnstable

Partly sunny with a 50 percent chance of Showers. Highs around 80.

Tonight 23 Jun Barnstable

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

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Swan River Mouth Temperature Statistics

June Temperature

Hyannis, Barnstable Municipal-Boardman Airport (5.6 miles)

  • Lowest 2 June, 2026

    37 °F

  • Average June

    67.1 °F

  • Highest 12 June, 2026

    84 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (5.6 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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