Bass River Mouth Weather Forecast

    • 52
    • 65

    Chance Rain Showers

    • 50
    • 60

    Chance Rain Showers

    • 54
    • 64

    Slight Chance Rain Showers

    • 56
    • 67

    Chance Rain Showers

    • 60
    • 70

    Slight Chance Rain Showers

    • 62
    • 73

    Partly Sunny

Today 31 May Barnstable

Sunny this Morning, then partly sunny with a chance of Showers this afternoon. Not as cool with Highs in the upper 60s. Northwest Winds 5 to 10 Mph, becoming west this afternoon. Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 31 May Barnstable

Mostly cloudy with a 50 percent chance of Showers. Lows in the lower 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bass River Mouth Temperature Statistics

May Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

  • Lowest 3 May, 2026

    37.9 °F

  • Average May

    57.1 °F

  • Highest 20 May, 2026

    79 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

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  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
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