Treadwell Weather Forecast

    • 51
    • 72

    Chance Rain Showers

    • 54
    • 65

    Rain Showers

    • 51
    • 72

    Slight Chance Rain Showers

    • 53
    • 73

    Partly Sunny

    • 56
    • 76

    Rain Showers Likely

    • 56
    • 75

    Rain Showers Likely

Today 21 Jun Delaware

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the mid 70s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 21 Jun Delaware

Partly cloudy. Lows in the lower 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Treadwell Temperature Statistics

June Temperature

Monticello, Sullivan County International Airport (46 miles)

  • Lowest 2 June, 2026

    41 °F

  • Average June

    66.9 °F

  • Highest 11 June, 2026

    91 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (46 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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