Harwich Center Weather Forecast

    • 22
    • 42

    Decreasing Clouds

    • 18
    • 31

    Partly Sunny

    • 31
    • 43

    Slight Chance Rain

    • 35
    • 50

    Chance Rain

    • 26
    • 44

    Slight Chance Snow

    • 26
    • 39

    Chance Snow

    • 21
    • 38

    Chance Rain/Snow

Today 7 Dec Barnstable

Partly sunny. Near steady temperature around 40. West Winds around 5 Mph.

Tonight 7 Dec Barnstable

Mostly cloudy this Evening, then clearing. Lows in the lower 20s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to west 15 to 20 Mph with Gusts up to 30 Mph after midnight.

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Harwich Center Temperature Statistics

December Temperature

Chatham, Chatham Municipal Airport (3.7 miles)

  • Lowest 5 December, 2025

    19 °F

  • Average December

    35.9 °F

  • Highest 2 December, 2025

    50 °F

Climate (2020–Present)

Chatham, Chatham Municipal Airport (3.7 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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