Lisbon Weather Forecast

    • 58
    • 82

    Increasing Clouds

    • 69
    • 81

    Partly Sunny

    • 59
    • 84

    Chance Rain Showers

    • 53
    • 77

    Mostly Sunny

    • 57
    • 77

    Partly Sunny

    • 59
    • 79

    Partly Sunny

Today 8 Sep Northern New London

Sunny. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 8 Sep Northern New London

Mostly cloudy. Lows in the upper 50s. West Winds around 5 Mph in the Evening, becoming light and variable.

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Lisbon Temperature Statistics

September Temperature

Willimantic, Windham Airport (13 miles)

  • Lowest 5 September, 2026

    57 °F

  • Average September

    68 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

Willimantic, Windham Airport (13 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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