Chatham Weather Forecast

    • 69
    • 86

    Chance Thunderstorms

    • 63
    • 84

    Chance Rain Showers

    • 60
    • 79

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 65
    • 79

    Partly Sunny

Today 3 Sep Morris

Mostly cloudy with a chance of Showers and Thunderstorms this Morning, then partly sunny with a slight chance of Showers and Thunderstorms this afternoon. Locally heavy rainfall possible this morning. Warmer with Highs in the mid 80s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 3 Sep Morris

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 60s. West Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 50 percent.

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Chatham Temperature Statistics

September Temperature

Morristown Municipal (4.3 miles)

  • Lowest 1 September, 2026

    66.2 °F

  • Average September

    71.5 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

Morristown Municipal (4.3 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    63.9 °F
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