Welwyn Preserve County Park Weather Forecast

    • 59
    • 69

    Mostly Cloudy

    • 58
    • 70

    Rain

    • 57
    • 68

    Chance Rain Showers

    • 55
    • 63

    Chance Rain Showers

    • 55
    • 63

    Chance Rain Showers

    • 55
    • 63

    Chance Rain Showers

Today 19 Sep Northern Nassau

Partly sunny. Highs around 70. Northeast Winds 10 to 15 Mph.

Tonight 19 Sep Northern Nassau

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.

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Welwyn Preserve County Park Temperature Statistics

September Temperature

White Plains - Westchester County Airport (12.4 miles)

  • Lowest 15 September, 2026

    51.1 °F

  • Average September

    68.6 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

White Plains - Westchester County Airport (12.4 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.3 °F
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