Occum Weather Forecast

    • 22
    • 40

    Chance Snow

    • 21
    • 39

    Mostly Cloudy

    • 11
    • 30

    Mostly Sunny

    • 25
    • 35

    Mostly Cloudy

    • 33
    • 46

    Chance Rain

    • 25
    • 44

    Chance Rain

Today 6 Dec Northern New London

Cloudy. A slight chance of Drizzle, freezing drizzle and snow in the Morning, then a slight chance of very light drizzle in the afternoon. Highs around 40. East Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 6 Dec Northern New London

Partly cloudy in the Evening, then clearing. Lows in the lower 20s. West Winds around 5 Mph.

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Occum Temperature Statistics

December Temperature

Willimantic, Windham Airport (11.8 miles)

  • Lowest 1 December, 2025

    21 °F

  • Average December

    32.3 °F

  • Highest 1 December, 2025

    42.1 °F

Climate (2020–Present)

Willimantic, Windham Airport (11.8 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.8 °F
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