Flat Lake Weather Forecast

    • 79
    • 90

    Mostly Sunny

    • 80
    • 90

    Mostly Sunny

    • 79
    • 91

    Slight Chance Thunderstorms

    • 79
    • 94

    Slight Chance Thunderstorms

    • 77
    • 92

    Mostly Sunny

    • 76
    • 91

    Mostly Sunny

Today 19 Sep Lower Vermilion

Sunny. Highs in the lower 90s. Northeast Winds 5 to 10 Mph, becoming southeast in the afternoon.

Tonight 19 Sep Lower Vermilion

Mostly clear. Humid with Lows in the upper 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flat Lake Temperature Statistics

September Temperature

Abbeville Chris Crusta Memorial Airport (39.1 miles)

  • Lowest 6 September, 2026

    71.8 °F

  • Average September

    80.9 °F

  • Highest 7 September, 2026

    95.5 °F

Climate (2021–2026)

Abbeville Chris Crusta Memorial Airport (39.1 miles)

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  • Average Low 2021–2026

    60.1 °F

  • Average 2021–2026

    69.3 °F

  • Average High 2021–2026

    79.6 °F
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