Columbia Weather Forecast

    • 52
    • 69

    Mostly Sunny

    • 60
    • 76

    Decreasing Clouds

    • 64
    • 78

    Chance Rain Showers

    • 50
    • 76

    Mostly Sunny

    • 53
    • 68

    Chance Rain Showers

    • 56
    • 68

    Rain Showers Likely

    • 55
    • 70

    Chance Rain Showers

Today 15 Sep Tolland

Partly sunny with a 40 percent chance of Showers. Highs in the upper 60s.

Tonight 15 Sep Tolland

Mostly clear. Lows in the lower 50s. South Winds around 5 Mph.

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  • Temperature Real-Time

Columbia Temperature Statistics

September Temperature

Willimantic, Windham Airport (6.8 miles)

  • Lowest 12 September, 2026

    48 °F

  • Average September

    66.7 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Willimantic, Windham Airport (6.8 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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