Chatham Harbor Weather Forecast

    • 27
    • 40

    Decreasing Clouds

    • 38
    • 48

    Rain

    • 29
    • 49

    Rain Showers

    • 26
    • 37

    Partly Sunny

    • 29
    • 42

    Chance Rain/Snow

    • 31
    • 40

    Slight Chance Rain

Today 3 Dec Barnstable

Mostly sunny. Highs in the upper 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 3 Dec Barnstable

Partly cloudy in the Evening, then clearing. Lows in the mid 20s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chatham Harbor Temperature Statistics

December Temperature

Chatham, Chatham Municipal Airport (1.9 miles)

  • Lowest 1 December, 2024

    28.9 °F

  • Average December

    33.8 °F

  • Highest 1 December, 2024

    39.9 °F

Climate (2019–Present)

Chatham, Chatham Municipal Airport (1.9 miles)

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  • Average Low 2019–2024

    47.8 °F

  • Average 2019–2024

    54 °F

  • Average High 2019–2024

    60.1 °F
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