Columbia Weather Forecast

    • 57
    • 72

    Chance Rain Showers

    • 57
    • 77

    Slight Chance Rain Showers

    • 47
    • 78

    Mostly Sunny

    • 45
    • 69

    Dense Fog

    • 50
    • 69

    Dense Fog

    • 56
    • 75

    Dense Fog

Today 17 Sep Tolland

Mostly cloudy in the Morning, then partly sunny with a slight chance of Showers in the afternoon. Highs in the lower 70s. East Winds around 5 Mph. Chance of rain 20 percent.

Tonight 17 Sep Tolland

Mostly cloudy. Near steady temperature in the lower 50s. Northeast Winds around 5 Mph.

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Columbia Temperature Statistics

September Temperature

Willimantic, Windham Airport (6.8 miles)

  • Lowest 9 September, 2025

    45 °F

  • Average September

    63.1 °F

  • Highest 5 September, 2025

    81 °F

Climate (2020–Present)

Willimantic, Windham Airport (6.8 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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