Elm Swamp Weather Forecast

    • 53
    • 76

    Increasing Clouds

    • 49
    • 69

    Mostly Sunny

    • 59
    • 72

    Rain Showers Likely

    • 56
    • 75

    Chance Rain Showers

    • 56
    • 72

    Partly Sunny

    • 59
    • 76

    Chance Thunderstorms

Today 10 Sep Delaware

Partly sunny. A slight chance of Showers in the morning. Highs in the upper 70s. West Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 10 Sep Delaware

Showers with a chance of Thunderstorms. Lows in the mid 60s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Elm Swamp Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (23 miles)

  • Lowest 7 September, 2026

    48 °F

  • Average September

    66.1 °F

  • Highest 3 September, 2026

    81 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (23 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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