Lisbon Weather Forecast

    • 54
    • 71

    Mostly Cloudy

    • 56
    • 73

    Mostly Cloudy

    • 63
    • 77

    Partly Sunny

    • 58
    • 82

    Slight Chance Rain Showers

    • 48
    • 70

    Chance Rain Showers

    • 49
    • 65

    Rain Showers Likely

Today 29 Sep Northern New London

Patchy fog this morning. Mostly sunny. Highs around 70. Northwest Winds around 5 Mph.

Tonight 29 Sep Northern New London

Partly cloudy. Lows in the lower 50s. Northwest 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 24 September, 2026

    42.1 °F

  • Average September

    63.3 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Willimantic, Windham Airport (13 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    61.6 °F
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