Chatham Harbor Entrance Weather Forecast

    • 44
    • 54

    Becoming Sunny

    • 56
    • 59

    Sunny

    • 51
    • 61

    Mostly Sunny

    • 50
    • 54

    Partly Sunny

    • 54
    • 56

    Mostly Cloudy

    • 54
    • 59

    Chance Rain Showers

Today 28 Oct Barnstable

Sunny in the Morning, then becoming partly sunny. Patchy frost in the morning. Highs in the mid 50s. South Winds 5 to 10 Mph.

Tonight 28 Oct Barnstable

Partly cloudy in the Evening, then becoming mostly clear. Lows around 40. Southwest Winds 5 to 10 Mph.

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Chatham Harbor Entrance Temperature Statistics

October Temperature

Chatham, Chatham Municipal Airport (3.1 miles)

  • Lowest 24 October, 2026

    36 °F

  • Average October

    55.5 °F

  • Highest 14 October, 2026

    72 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    59.6 °F
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