West Chatham Weather Forecast

    • 55
    • 69

    Decreasing Clouds

    • 58
    • 61

    Partly Sunny

    • 57
    • 65

    Rain Showers Likely

    • 56
    • 67

    Chance Rain Showers

    • 55
    • 63

    Slight Chance Rain Showers

    • 55
    • 63

    Partly Sunny

Today 18 Sep Barnstable

Partly sunny in the Morning, then clearing. Patchy fog in the morning. Near steady temperature in the upper 60s. Northwest Winds 5 to 10 Mph, becoming north 10 to 15 Mph in the afternoon.

Tonight 18 Sep Barnstable

Partly cloudy. Cooler. Less humid with Lows in the lower 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

West Chatham Temperature Statistics

September Temperature

Chatham, Chatham Municipal Airport (0 miles)

  • Lowest 15 September, 2026

    51.1 °F

  • Average September

    66.2 °F

  • Highest 10 September, 2026

    80.1 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (0 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    59.7 °F
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