Treadwell Weather Forecast

    • 18
    • 23

    Chance Snow Showers

    • 19
    • 33

    Snow Showers

    • 16
    • 25

    Chance Snow Showers

    • 15
    • 24

    Snow Showers Likely

    • 15
    • 26

    Snow Showers Likely

    • 6
    • 20

    Chance Snow Showers

Today 9 Dec Delaware

Partly sunny. Highs in the mid 20s. South Winds 5 to 10 Mph.

Tonight 9 Dec Delaware

Mostly cloudy with a 20 percent chance of snow Showers. Lows 15 to 20. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Treadwell Temperature Statistics

December Temperature

Monticello, Sullivan County International Airport (46 miles)

  • Lowest 5 December, 2025

    -2 °F

  • Average December

    25.2 °F

  • Highest 1 December, 2025

    35.1 °F

Climate (2020–Present)

Monticello, Sullivan County International Airport (46 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    55.3 °F
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