North Chatham Weather Forecast

    • 58
    • 70

    Mostly Cloudy

    • 60
    • 71

    Chance Rain Showers

    • 61
    • 72

    Chance Rain Showers

    • 55
    • 74

    Mostly Sunny

    • 53
    • 65

    Mostly Sunny

    • 56
    • 67

    Partly Sunny

Today 16 Sep Barnstable

Mostly sunny. Patchy fog in the morning. Highs around 70. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 16 Sep Barnstable

Mostly cloudy. Patchy fog. Visibility one quarter mile or less at Times. Near steady temperature in the upper 50s. Northeast Winds around 5 Mph.

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North Chatham Temperature Statistics

September Temperature

Chatham, Chatham Municipal Airport (1.9 miles)

  • Lowest 13 September, 2025

    46.9 °F

  • Average September

    64.6 °F

  • Highest 6 September, 2025

    79 °F

Climate (2020–Present)

Chatham, Chatham Municipal Airport (1.9 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    60.1 °F
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