Great Marshes Weather Forecast

    • 43
    • 63

    Rain Showers

    • 52
    • 64

    Rain

    • 50
    • 70

    Rain Likely

    • 47
    • 62

    Rain

    • 48
    • 62

    Partly Sunny

    • 49
    • 64

    Chance Rain Showers

Today 8 May Barnstable

Partly sunny. Isolated Showers in the afternoon. Highs in the lower 60s. West Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of rain 20 percent.

Tonight 8 May Barnstable

Mostly clear. Lows in the lower 40s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Marshes Temperature Statistics

May Temperature

Hyannis, Barnstable Municipal-Boardman Airport (5.6 miles)

  • Lowest 3 May, 2026

    37.9 °F

  • Average May

    52.1 °F

  • Highest 4 May, 2026

    63 °F

Climate (2021–Present)

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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