Lisbon Weather Forecast

    • 64
    • 84

    Increasing Clouds

    • 61
    • 87

    Chance Rain Showers

    • 53
    • 77

    Partly Sunny

    • 56
    • 76

    Chance Rain Showers

    • 56
    • 75

    Chance Rain Showers

    • 55
    • 76

    Mostly Sunny

Today 16 Aug Northern New London

Mostly sunny. Highs in the lower 80s. Southeast Winds around 5 Mph, becoming south around 5 Mph this afternoon.

Tonight 16 Aug Northern New London

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. South Winds around 5 Mph.

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Lisbon Temperature Statistics

August Temperature

Willimantic, Windham Airport (13 miles)

  • Lowest 2 August, 2025

    51.7 °F

  • Average August

    70.9 °F

  • Highest 11 August, 2025

    90.6 °F

Climate (2020–Present)

Willimantic, Windham Airport (13 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    61.8 °F
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