Occum Weather Forecast

    • 57
    • 84

    Rain Showers

    • 50
    • 68

    Rain Showers

    • 48
    • 74

    Partly Sunny

    • 51
    • 74

    Mostly Cloudy

    • 51
    • 72

    Chance Rain Showers

    • 51
    • 79

    Partly Sunny

Today 6 Sep Northern New London

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 6 Sep Northern New London

Showers likely with a chance of Thunderstorms in the Evening, then Showers with isolated Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the upper 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain 80 percent.

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Occum Temperature Statistics

September Temperature

Willimantic, Windham Airport (11.8 miles)

  • Lowest 2 September, 2025

    48.9 °F

  • Average September

    62.4 °F

  • Highest 3 September, 2025

    77 °F

Climate (2020–Present)

Willimantic, Windham Airport (11.8 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    61.9 °F
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