Chatham Township Weather Forecast

    • 60
    • 82

    Becoming Sunny

    • 55
    • 84

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 56
    • 73

    Mostly Cloudy

    • 58
    • 77

    Partly Sunny

    • 60
    • 82

    Partly Sunny

Today 18 Sep Morris

Areas of fog in the morning. Mostly sunny. Warmer with Highs in the lower 80s. North Winds around 5 Mph.

Tonight 18 Sep Morris

Mostly clear. Lows around 60. Light and variable Winds, becoming northwest around 5 Mph after midnight.

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Chatham Township Temperature Statistics

September Temperature

Morristown Municipal (5 miles)

  • Lowest 8 September, 2025

    44.6 °F

  • Average September

    64.7 °F

  • Highest 5 September, 2025

    86 °F

Climate (2020–Present)

Morristown Municipal (5 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    64.3 °F
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