Cornwall Weather Forecast

    • 70
    • 90

    Increasing Clouds

    • 64
    • 85

    Rain Showers

    • 60
    • 85

    Chance Rain Showers

    • 56
    • 82

    Chance Rain Showers

    • 57
    • 77

    Slight Chance Rain Showers

    • 64
    • 82

    Mostly Cloudy

Today 30 Jun Western Addison

Patchy dense fog this morning. Mostly sunny. Warmer with Highs around 90. South Winds around 10 Mph.

Tonight 30 Jun Western Addison

Mostly clear until Midnight, then partly cloudy with a chance of Showers after midnight. Humid with Lows around 70. South Winds around 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornwall Temperature Statistics

June Temperature

Middlebury State Airport (5.6 miles)

  • Lowest 3 June, 2025

    40.5 °F

  • Average June

    66.7 °F

  • Highest 24 June, 2025

    96.3 °F

Climate (2020–Present)

Middlebury State Airport (5.6 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    55.1 °F
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