Cow Island Lake Weather Forecast

    • 38
    • 54

    Increasing Clouds

    • 46
    • 57

    Mostly Cloudy

    • 38
    • 63

    Partly Sunny

    • 33
    • 47

    Sunny

    • 41
    • 60

    Mostly Sunny

    • 36
    • 55

    Mostly Sunny

    • 32
    • 54

    Mostly Sunny

Today 12 Jan Upper St. Martin

Partly sunny. Highs in the mid 50s. Northeast Winds around 5 Mph.

Tonight 12 Jan Upper St. Martin

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 30s. North Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cow Island Lake Temperature Statistics

January Temperature

Lafayette, Lafayette Regional Airport (21.7 miles)

  • Lowest 1 January, 2026

    37 °F

  • Average January

    64.5 °F

  • Highest 6 January, 2026

    78.1 °F

Climate (2021–Present)

Lafayette, Lafayette Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    61.9 °F

  • Average 2021–2026

    70.9 °F

  • Average High 2021–2026

    80.6 °F
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