Winooski Weather Forecast

    • 55
    • 79

    Rain Showers Likely

    • 49
    • 68

    Mostly Sunny

    • 56
    • 71

    Partly Sunny

    • 60
    • 78

    Chance Rain Showers

    • 57
    • 77

    Rain Showers Likely

    • 51
    • 72

    Partly Sunny

Today 13 Sep Western Chittenden

Cloudy in the Morning, then becoming partly sunny. A chance of Showers. A slight chance of Thunderstorms in the afternoon. Humid with Highs in the upper 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 13 Sep Western Chittenden

Showers likely. Lows in the lower 50s, except in the upper 50s along lake Champlain. Southwest Winds around 10 Mph, becoming west after midnight. Chance of rain 70 percent.

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Winooski Temperature Statistics

September Temperature

Burlington, Burlington International Airport (1.9 miles)

  • Lowest 7 September, 2026

    50.6 °F

  • Average September

    67.8 °F

  • Highest 3 September, 2026

    82.7 °F

Climate (2021–2026)

Burlington, Burlington International Airport (1.9 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    58.6 °F
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