Onion Lake Weather Forecast

    • 80
    • 93

    Partly Sunny

    • 78
    • 93

    Thunderstorms

    • 81
    • 87

    Thunderstorms

    • 81
    • 88

    Thunderstorms Likely

    • 80
    • 89

    Chance Thunderstorms

    • 80
    • 92

    Chance Thunderstorms

Today 23 Jul Lower Vermilion

Mostly sunny. Highs in the mid 90s. Northwest Winds around 5 Mph. Heat index Values up to 109.

Tonight 23 Jul Lower Vermilion

Partly cloudy. A slight chance of Showers after midnight. Humid with Lows in the upper 70s. West Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 107 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onion Lake Temperature Statistics

July Temperature

Abbeville Chris Crusta Memorial Airport (14.3 miles)

  • Lowest 6 July, 2025

    71.6 °F

  • Average July

    81.9 °F

  • Highest 5 July, 2025

    95.7 °F

Climate (2020–Present)

Abbeville Chris Crusta Memorial Airport (14.3 miles)

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  • Average Low 2020–2025

    60.2 °F

  • Average 2020–2025

    69.1 °F

  • Average High 2020–2025

    79.2 °F
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