Flat Lake Weather Forecast

    • 83
    • 93

    Slight Chance Thunderstorms

    • 83
    • 93

    Mostly Sunny

    • 83
    • 92

    Partly Sunny

    • 83
    • 91

    Mostly Sunny

    • 82
    • 91

    Chance Thunderstorms

    • 81
    • 90

    Slight Chance Thunderstorms

Today 22 Aug Lower Vermilion

Sunny with Highs in the upper 90s. West Winds 5 to 10 Mph, increasing to 15 to 20 Mph in the afternoon. Heat index Values up to 113.

Tonight 22 Aug Lower Vermilion

Mostly clear. Humid with Lows around 80. West Winds 5 to 10 Mph. Heat index Values up to 108 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flat Lake Temperature Statistics

August Temperature

Abbeville Chris Crusta Memorial Airport (39.1 miles)

  • Lowest 3 August, 2026

    71.2 °F

  • Average August

    83.1 °F

  • Highest 15 August, 2026

    97.7 °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

    79.5 °F
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