Island Park Weather Forecast

    • 63
    • 86

    Partly Sunny

    • 63
    • 90

    Partly Sunny

    • 63
    • 91

    Mostly Sunny

    • 65
    • 92

    Mostly Sunny

    • 65
    • 92

    Chance Thunderstorms

    • 66
    • 91

    Slight Chance Thunderstorms

    • 65
    • 90

    Chance Rain Showers

Today 14 Sep Sullivan

Sunny. Highs in the lower to mid 80s. Light Winds.

Tonight 14 Sep Sullivan

Partly cloudy. Lows in the lower 60s. Northeast Winds 10 Mph or less.

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  • Temperature Real-Time

Island Park Temperature Statistics

September Temperature

Elizabethton Municipal Airport (8.1 miles)

  • Lowest 8 September, 2026

    62.6 °F

  • Average September

    75.8 °F

  • Highest 3 September, 2026

    95 °F

Climate (2021–2026)

Elizabethton Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.8 °F
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