St Marys Weather Forecast

    • 61
    • 84

    Mostly Cloudy

    • 60
    • 75

    Mostly Cloudy

    • 57
    • 72

    Mostly Cloudy

    • 55
    • 73

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 53
    • 75

    Partly Sunny

Today 21 Sep Floyd

Mostly cloudy. A 20 percent chance of Thunderstorms in the afternoon. Highs in the mid 80s. North Winds 5 to 10 Mph.

Tonight 21 Sep Floyd

Mostly cloudy with a 20 percent chance of Showers. Lows around 60. North Winds 5 to 15 Mph.

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St Marys Temperature Statistics

September Temperature

Louisville, Bowman Field Airport (13.7 miles)

  • Lowest 14 September, 2026

    60.7 °F

  • Average September

    81.4 °F

  • Highest 3 September, 2026

    98.7 °F

Climate (2021–2026)

Louisville, Bowman Field Airport (13.7 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    68.6 °F
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