Chatham Weather Forecast

    • 24
    • 33

    Increasing Clouds

    • 34
    • 40

    Chance Rain

    • 35
    • 50

    Chance Rain

    • 29
    • 44

    Slight Chance Snow

    • 29
    • 39

    Chance Rain/Snow

    • 23
    • 39

    Rain Likely

Today 8 Dec Barnstable

Mostly sunny and Brisk, cooler with Highs around 30. North Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 8 Dec Barnstable

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 20s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chatham Temperature Statistics

December Temperature

Chatham, Chatham Municipal Airport (1.2 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 (1.2 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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