Cow Island Lake Weather Forecast

    • 62
    • 85

    Sunny

    • 62
    • 80

    Mostly Sunny

    • 61
    • 81

    Sunny

    • 63
    • 83

    Sunny

    • 64
    • 84

    Sunny

    • 66
    • 85

    Sunny

Today 9 Oct Upper St. Martin

Sunny. Highs in the upper 80s. Northeast Winds 10 to 15 Mph.

Tonight 9 Oct Upper St. Martin

Clear. Lows in the lower 60s. North Winds 10 to 15 Mph.

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Cow Island Lake Temperature Statistics

October Temperature

Lafayette, Lafayette Regional Airport (21.7 miles)

  • Lowest 4 October, 2025

    66 °F

  • Average October

    76.5 °F

  • Highest 1 October, 2025

    89.1 °F

Climate (2020–Present)

Lafayette, Lafayette Regional Airport (21.7 miles)

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  • Average Low 2020–2025

    61.8 °F

  • Average 2020–2025

    70.7 °F

  • Average High 2020–2025

    80.4 °F
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