Chatham Weather Forecast

    • 57
    • 80

    Becoming Sunny

    • 42
    • 75

    Partly Sunny

    • 46
    • 69

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 60
    • 82

    Partly Sunny

Today 18 Sep Eastern Columbia

Patchy fog in the morning. Sunny. Highs around 80. Light and variable Winds, becoming west around 5 Mph in the afternoon.

Tonight 18 Sep Eastern Columbia

Mostly cloudy. Near steady temperature in the mid 50s. Light and variable Winds.

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Chatham Temperature Statistics

September Temperature

Pittsfield Municipal Airport (16.2 miles)

  • Lowest 9 September, 2025

    41 °F

  • Average September

    60.4 °F

  • Highest 15 September, 2025

    77 °F

Climate (2020–Present)

Pittsfield Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    57.6 °F
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