Dayville Weather Forecast

    • 21
    • 44

    Mostly Sunny

    • 24
    • 35

    Partly Sunny

    • 29
    • 39

    Rain/Snow

    • 23
    • 38

    Slight Chance Snow Showers

    • 29
    • 41

    Mostly Cloudy

    • 27
    • 43

    Chance Rain

Today 21 Dec Windham

Sunny. Highs in the lower 40s. Temperature falling into the lower 30s this afternoon. West Winds 10 to 15 Mph, becoming northwest this afternoon. Gusts up to 30 Mph.

Tonight 21 Dec Windham

Mostly clear. Lows in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Dayville Temperature Statistics

December Temperature

Willimantic, Windham Airport (16.8 miles)

  • Lowest 9 December, 2025

    6.1 °F

  • Average December

    28.3 °F

  • Highest 18 December, 2025

    48 °F

Climate (2020–Present)

Willimantic, Windham Airport (16.8 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.7 °F
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