Marconi Beach Weather Forecast

    • 64
    • 70

    Increasing Clouds

    • 69
    • 71

    Slight Chance Rain Showers

    • 64
    • 74

    Chance Rain Showers

    • 64
    • 67

    Mostly Sunny

    • 65
    • 67

    Partly Sunny

    • 66
    • 70

    Partly Sunny

    • 63
    • 69

    Partly Sunny

Today 8 Sep Barnstable

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

Tonight 8 Sep Barnstable

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 60. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marconi Beach Temperature Statistics

September Temperature

Chatham, Chatham Municipal Airport (13.7 miles)

  • Lowest 6 September, 2026

    55 °F

  • Average September

    65.9 °F

  • Highest 4 September, 2026

    78.1 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    59.7 °F
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