West Harwich Weather Forecast

    • 33
    • 43

    Gradual Clearing

    • 17
    • 43

    Slight Chance Snow

    • 27
    • 35

    Mostly Cloudy

    • 30
    • 43

    Chance Rain

    • 26
    • 41

    Mostly Cloudy

    • 23
    • 36

    Slight Chance Snow

Today 3 Dec Barnstable

Partly sunny and brisk. Highs in the lower 40s. Northwest Winds 20 to 25 Mph, Diminishing to 10 to 15 Mph this afternoon.

Tonight 3 Dec Barnstable

Partly cloudy. Near steady temperature in the mid 30s. Southwest Winds 10 to 15 Mph.

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West Harwich Temperature Statistics

December Temperature

Chatham, Chatham Municipal Airport (6.2 miles)

  • Lowest 1 December, 2025

    28.9 °F

  • Average December

    38.6 °F

  • Highest 1 December, 2025

    46 °F

Climate (2020–Present)

Chatham, Chatham Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    53.9 °F

  • Average High 2020–2025

    60 °F
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