Cat Island Weather Forecast

    • 67
    • 71

    Partly Sunny

    • 70
    • 72

    Mostly Sunny

    • 71
    • 73

    Partly Sunny

    • 71
    • 73

    Partly Sunny

    • 72
    • 74

    Partly Sunny

    • 72
    • 74

    Mostly Cloudy

Today 10 Apr Southern Harrison

Mostly sunny. Highs in the upper 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 10 Apr Southern Harrison

Partly cloudy in the Evening, then clearing. Lows in the upper 50s. Southeast Winds 5 to 10 Mph, becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cat Island Temperature Statistics

April Temperature

Gulfport - Gulfport-Biloxi International Airport (12.4 miles)

  • Lowest 7 April, 2026

    47.6 °F

  • Average April

    69.7 °F

  • Highest 4 April, 2026

    80.7 °F

Climate (2021–Present)

Gulfport - Gulfport-Biloxi International Airport (12.4 miles)

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  • Average Low 2021–2026

    61.6 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    79.3 °F
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