Louisville Weather Forecast

    • 65
    • 79

    Rain Showers

    • 59
    • 78

    Chance Rain Showers

    • 54
    • 75

    Partly Sunny

    • 51
    • 73

    Partly Sunny

    • 52
    • 72

    Partly Sunny

    • 54
    • 75

    Chance Rain Showers

Today 2 Sep Northern St. Lawrence

Mostly cloudy. Showers likely with a chance of Thunderstorms this afternoon. Highs around 80. South Winds around 10 Mph. Gusts up to 25 Mph this afternoon. Chance of rain 70 percent.

Tonight 2 Sep Northern St. Lawrence

Showers with a chance of Thunderstorms. Humid with Lows in the mid 60s. South Winds around 10 Mph. Gusts up to 25 Mph until midnight. Chance of rain 90 percent.

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Louisville Temperature Statistics

September Temperature

Massena, Massena International-Richards Field (8.7 miles)

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Climate (2021–2026)

Massena, Massena International-Richards Field (8.7 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.9 °F
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