Hanover Weather Forecast

    • 61
    • 89

    Mostly Sunny

    • 62
    • 86

    Partly Sunny

    • 61
    • 83

    Mostly Cloudy

    • 58
    • 81

    Partly Sunny

    • 59
    • 81

    Mostly Sunny

    • 63
    • 84

    Partly Sunny

Today 4 Aug Northern New London

Sunny, hazy. Highs in the upper 80s. Light and variable Winds, becoming northwest around 5 Mph in the afternoon.

Tonight 4 Aug Northern New London

Mostly clear in the Evening, then becoming partly cloudy. Hazy in the evening. Lows in the lower 60s. South Winds around 5 Mph, becoming west after midnight.

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Hanover Temperature Statistics

August Temperature

Willimantic, Windham Airport (8.7 miles)

  • Lowest 1 August, 2025

    57 °F

  • Average August

    64.7 °F

  • Highest 1 August, 2025

    75 °F

Climate (2020–Present)

Willimantic, Windham Airport (8.7 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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