Hudson River - Iona Island Weather Forecast

    • 68
    • 87

    Chance Thunderstorms

    • 62
    • 86

    Chance Rain Showers

    • 57
    • 80

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

Today 3 Sep Rockland

Mostly cloudy with a chance of Showers Early, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Humid with Highs in the mid 80s. Southwest Winds around 5 Mph. Chance of rain 40 percent.

Tonight 3 Sep Rockland

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. West Winds around 5 Mph. Chance of rain 40 percent.

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Hudson River - Iona Island Temperature Statistics

September Temperature

Newburgh / Stewart (14.9 miles)

  • Lowest 1 September, 2026

    66.2 °F

  • Average September

    71.6 °F

  • Highest 1 September, 2026

    80.6 °F

Climate (2021–2026)

Newburgh / Stewart (14.9 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    61.3 °F
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