Colchester Weather Forecast

    • 61
    • 81

    Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

    • 63
    • 85

    Mostly Sunny

    • 68
    • 86

    Mostly Cloudy

    • 72
    • 90

    Slight Chance Thunderstorms

    • 74
    • 94

    Mostly Sunny

Today 27 Jun Northern New London

Partly sunny. A slight chance of Showers this afternoon. Highs in the lower 80s. Light and variable Winds, becoming southwest around 5 Mph this afternoon. Chance of rain 20 percent.

Tonight 27 Jun Northern New London

Mostly cloudy with a 20 percent chance of Showers. Lows in the lower 60s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Colchester Temperature Statistics

June Temperature

Willimantic, Windham Airport (13.7 miles)

  • Lowest 2 June, 2026

    39 °F

  • Average June

    68.7 °F

  • Highest 11 June, 2026

    91.9 °F

Climate (2021–2026)

Willimantic, Windham Airport (13.7 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    61.6 °F
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