Chatham Weather Forecast

    • 55
    • 80

    Increasing Clouds

    • 50
    • 72

    Mostly Sunny

    • 61
    • 75

    Rain Showers Likely

    • 59
    • 78

    Slight Chance Thunderstorms

    • 57
    • 74

    Partly Sunny

    • 64
    • 79

    Chance Rain Showers

Today 10 Sep Eastern Columbia

Mostly sunny. Highs in the upper 70s. West Winds 10 to 15 Mph.

Tonight 10 Sep Eastern Columbia

Partly cloudy. Cooler. Less humid with Lows in the lower 50s. Northwest Winds 5 to 10 Mph.

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Chatham Temperature Statistics

September Temperature

Pittsfield Municipal Airport (16.2 miles)

  • Lowest 7 September, 2026

    43.6 °F

  • Average September

    63.7 °F

  • Highest 3 September, 2026

    77.6 °F

Climate (2021–2026)

Pittsfield Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57.4 °F
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