Lisbon Weather Forecast

    • 22
    • 49

    Rain

    • 21
    • 30

    Mostly Cloudy

    • 17
    • 33

    Chance Snow

    • 12
    • 27

    Partly Sunny

    • 17
    • 26

    Partly Sunny

    • 16
    • 32

    Partly Sunny

    • 17
    • 31

    Partly Sunny

Today 29 Dec Northern New London

Rain. Not as cool with Highs in the upper 40s. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

Tonight 29 Dec Northern New London

Partly cloudy. Lows in the lower 20s. West Winds around 15 Mph with Gusts up to 45 Mph.

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Lisbon Temperature Statistics

December Temperature

Willimantic, Windham Airport (13 miles)

  • Lowest 9 December, 2025

    6.1 °F

  • Average December

    29.2 °F

  • Highest 19 December, 2025

    57.9 °F

Climate (2020–Present)

Willimantic, Windham Airport (13 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.7 °F
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