Cornwall Weather Forecast

    • 68
    • 79

    Rain Showers

    • 57
    • 81

    Rain Showers Likely

    • 57
    • 77

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 66
    • 84

    Slight Chance Thunderstorms

Today 21 Jul Orange

Showers with a chance of Thunderstorms late this Morning, then Showers with Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall late this morning. Some Thunderstorms may produce gusty Winds and heavy rainfall this afternoon. Highs in the upper 70s. South Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 21 Jul Orange

Showers with Thunderstorms likely in the Evening, then a chance of Showers and Thunderstorms after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

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  • Temperature Real-Time

Cornwall Temperature Statistics

July Temperature

Newburgh / Stewart (5.6 miles)

  • Lowest 7 July, 2026

    60.8 °F

  • Average July

    76.6 °F

  • Highest 2 July, 2026

    102.2 °F

Climate (2021–2026)

Newburgh / Stewart (5.6 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    61.4 °F
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