Hudson River - Iona Island Weather Forecast

    • 66
    • 78

    Chance Rain Showers

    • 55
    • 80

    Partly Sunny

    • 58
    • 72

    Rain Showers

    • 56
    • 69

    Rain Showers

    • 53
    • 68

    Mostly Cloudy

    • 51
    • 67

    Chance Rain Showers

Today 17 Sep Rockland

Partly sunny. Highs in the upper 60s.

Tonight 17 Sep Rockland

Mostly cloudy with Showers likely with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the mid 60s. South Winds around 5 Mph, becoming west after midnight. Chance of rain 70 percent.

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Hudson River - Iona Island Temperature Statistics

September Temperature

Newburgh / Stewart (14.9 miles)

  • Lowest 15 September, 2026

    46.4 °F

  • Average September

    68.3 °F

  • Highest 10 September, 2026

    84.2 °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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