More Park Weather Forecast

    • 53
    • 75

    Decreasing Clouds

    • 50
    • 72

    Partly Sunny

    • 47
    • 70

    Mostly Sunny

    • 49
    • 72

    Partly Sunny

    • 54
    • 73

    Mostly Cloudy

    • 61
    • 75

    Rain Showers Likely

    • 50
    • 73

    Chance Rain Showers

Today 4 Sep Delaware

Partly sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 4 Sep Delaware

Mostly clear. Patchy fog after midnight. Lows in the lower 50s. Northwest Winds around 5 Mph.

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More Park Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (36.7 miles)

  • Lowest 2 September, 2026

    61 °F

  • Average September

    66.2 °F

  • Highest 1 September, 2026

    78.1 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (36.7 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55.1 °F
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