Dayville Weather Forecast

    • 57
    • 79

    Becoming Sunny

    • 48
    • 79

    Mostly Sunny

    • 44
    • 71

    Mostly Sunny

    • 48
    • 71

    Partly Sunny

    • 55
    • 76

    Partly Sunny

    • 58
    • 80

    Partly Sunny

Today 18 Sep Windham

Mostly cloudy with a slight chance of Showers in the Morning, then mostly sunny in the afternoon. Patchy fog in the morning. Highs in the upper 70s. North Winds around 5 Mph, becoming west in the afternoon. Chance of rain 20 percent.

Tonight 18 Sep Windham

Mostly clear. Lows in the upper 50s. West Winds around 5 Mph.

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Dayville Temperature Statistics

September Temperature

Willimantic, Windham Airport (16.8 miles)

  • Lowest 9 September, 2025

    45 °F

  • Average September

    63.3 °F

  • Highest 5 September, 2025

    81 °F

Climate (2020–Present)

Willimantic, Windham Airport (16.8 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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