Delancey Weather Forecast

    • 50
    • 74

    Partly Sunny

    • 47
    • 68

    Mostly Sunny

    • 59
    • 72

    Rain Showers Likely

    • 54
    • 75

    Chance Rain Showers

    • 55
    • 69

    Partly Sunny

    • 60
    • 76

    Chance Thunderstorms

Today 10 Sep Delaware

Mostly sunny. Highs in the upper 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 10 Sep Delaware

Partly cloudy. Lows in the lower 50s. Northwest Winds 5 to 10 Mph.

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Delancey Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (36 miles)

  • Lowest 7 September, 2026

    48 °F

  • Average September

    65.7 °F

  • Highest 3 September, 2026

    81 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (36 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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