Cornwall Weather Forecast

    • 26
    • 37

    Increasing Clouds

    • 11
    • 37

    Partly Sunny

    • 17
    • 25

    Mostly Cloudy

    • 21
    • 36

    Mostly Cloudy

    • 16
    • 35

    Mostly Cloudy

    • 12
    • 29

    Partly Sunny

Today 3 Dec Orange

Mostly sunny. Highs in the mid 30s. Northwest Winds 5 to 10 Mph, becoming west this afternoon.

Tonight 3 Dec Orange

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 20s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornwall Temperature Statistics

December Temperature

Newburgh / Stewart (5.6 miles)

  • Lowest 1 December, 2025

    24.8 °F

  • Average December

    33.8 °F

  • Highest 1 December, 2025

    39.2 °F

Climate (2020–Present)

Newburgh / Stewart (5.6 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    61.4 °F
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