Treadwell Weather Forecast

    • 25
    • 30

    Snow

    • 27
    • 34

    Snow

    • 19
    • 31

    Mostly Cloudy

    • 16
    • 35

    Mostly Cloudy

    • 19
    • 24

    Wintry Mix

    • 24
    • 32

    Rain/Freezing Rain

    • 16
    • 37

    Rain/Snow

Today 22 Dec Delaware

Partly sunny. Highs in the lower 30s. West Winds 5 to 10 Mph.

Tonight 22 Dec Delaware

Partly cloudy this Evening, then mostly cloudy with snow likely after midnight. Snow accumulation around an inch. Lows in the mid 20s. Southwest Winds around 5 Mph. Chance of snow 70 percent.

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Treadwell Temperature Statistics

December Temperature

Monticello, Sullivan County International Airport (46 miles)

  • Lowest 5 December, 2025

    -2 °F

  • Average December

    24.2 °F

  • Highest 19 December, 2025

    53.1 °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

    45.9 °F

  • Average High 2020–2025

    55.2 °F
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