Red Cedar Lake State Park Weather Forecast

    • 58
    • 75

    Decreasing Clouds

    • 64
    • 79

    Mostly Cloudy

    • 50
    • 78

    Mostly Sunny

    • 53
    • 69

    Mostly Cloudy

    • 56
    • 70

    Rain Showers Likely

    • 55
    • 71

    Chance Rain Showers

Today 16 Sep Northern New London

Mostly sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 16 Sep Northern New London

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 50s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Red Cedar Lake State Park Temperature Statistics

September Temperature

Willimantic, Windham Airport (12.4 miles)

  • Lowest 12 September, 2026

    48 °F

  • Average September

    66.7 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Willimantic, Windham Airport (12.4 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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