Coventry Lake Weather Forecast

    • 52
    • 79

    Increasing Clouds

    • 52
    • 75

    Partly Sunny

    • 55
    • 72

    Chance Rain Showers

    • 57
    • 78

    Slight Chance Rain Showers

    • 45
    • 79

    Mostly Sunny

    • 43
    • 68

    Mostly Sunny

Today 15 Sep Tolland

Mostly sunny. Near steady temperature in the mid 70s. East Winds around 5 Mph.

Tonight 15 Sep Tolland

Partly cloudy. Patchy fog after midnight. Lows in the lower 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coventry Lake Temperature Statistics

September Temperature

Willimantic, Windham Airport (8.1 miles)

  • Lowest 9 September, 2025

    45 °F

  • Average September

    62.9 °F

  • Highest 5 September, 2025

    81 °F

Climate (2020–Present)

Willimantic, Windham Airport (8.1 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    61.9 °F
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