Knoxville Weather Forecast

    • 65
    • 81

    Chance Thunderstorms

    • 54
    • 76

    Chance Rain Showers

    • 48
    • 71

    Partly Sunny

    • 47
    • 69

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

    • 55
    • 73

    Mostly Cloudy

Today 3 Sep Tioga

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall. Very warm. Near steady temperature in the upper 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 3 Sep Tioga

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall in the evening. Humid with Lows in the mid 60s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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Knoxville Temperature Statistics

September Temperature

Wellsville, Wellsville Municipal Airport (29.8 miles)

  • Lowest 1 September, 2026

    68 °F

  • Average September

    72.5 °F

  • Highest 1 September, 2026

    81 °F

Climate (2021–2026)

Wellsville, Wellsville Municipal Airport (29.8 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57 °F
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