Clear Lake Weather Forecast

    • 78
    • 94

    Slight Chance Thunderstorms

    • 78
    • 93

    Chance Thunderstorms

    • 78
    • 93

    Mostly Sunny

    • 77
    • 93

    Slight Chance Thunderstorms

    • 74
    • 93

    Mostly Sunny

    • 75
    • 92

    Mostly Sunny

Today 13 Sep Lower Vermilion

Sunny. A slight chance of Showers and Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. South Winds around 5 Mph. Chance of rain 40 percent. Heat index Values up to 107.

Tonight 13 Sep Lower Vermilion

Mostly clear. Humid with Lows in the upper 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

Abbeville Chris Crusta Memorial Airport (24.9 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 (24.9 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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