Colchester Weather Forecast

    • 45
    • 63

    Rain Showers Likely

    • 27
    • 50

    Chance Rain Showers

    • 24
    • 39

    Partly Sunny

    • 33
    • 47

    Mostly Cloudy

    • 42
    • 55

    Mostly Cloudy

    • 39
    • 56

    Chance Rain

Today 26 Mar Northern New London

Mostly cloudy with a slight chance of rain Early, then partly sunny this afternoon. Highs in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 26 Mar Northern New London

Showers likely. Lows in the mid 40s. Southwest Winds around 10 Mph, becoming west after midnight. Gusts up to 25 Mph. Chance of rain 70 percent.

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Colchester Temperature Statistics

March Temperature

Willimantic, Windham Airport (13.7 miles)

  • Lowest 3 March, 2026

    7 °F

  • Average March

    38.6 °F

  • Highest 10 March, 2026

    75 °F

Climate (2021–Present)

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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