Onion Lake Weather Forecast

    • 62
    • 72

    Slight Chance Rain Showers

    • 55
    • 72

    Chance Rain Showers

    • 33
    • 62

    Chance Rain Showers

    • 40
    • 50

    Partly Sunny

    • 54
    • 60

    Mostly Cloudy

    • 61
    • 68

    Partly Sunny

Today 12 Dec Lower Vermilion

Mostly sunny. Patchy fog this morning. A slight chance of Showers this afternoon. Not as cool with Highs in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 12 Dec Lower Vermilion

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onion Lake Temperature Statistics

December Temperature

Abbeville Chris Crusta Memorial Airport (14.3 miles)

  • Lowest 3 December, 2025

    31.8 °F

  • Average December

    50.3 °F

  • Highest 10 December, 2025

    74.8 °F

Climate (2020–Present)

Abbeville Chris Crusta Memorial Airport (14.3 miles)

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  • Average Low 2020–2025

    59.8 °F

  • Average 2020–2025

    68.8 °F

  • Average High 2020–2025

    78.9 °F
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