Mustang Lake Weather Forecast

    • 75
    • 82

    Increasing Clouds

    • 73
    • 82

    Mostly Cloudy

    • 74
    • 82

    Chance Thunderstorms

    • 61
    • 81

    Chance Thunderstorms

    • 60
    • 73

    Slight Chance Rain Showers

    • 66
    • 74

    Partly Sunny

Today 28 Apr Coastal Calhoun

Mostly cloudy in the Morning, then clearing. Highs in the mid 80s. Southeast Winds 10 to 15 Mph, increasing to south 15 to 20 Mph in the afternoon.

Tonight 28 Apr Coastal Calhoun

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to 5 to 10 Mph after midnight.

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Mustang Lake Temperature Statistics

April Temperature

Rockport Aransas County Airport (18.6 miles)

  • Lowest 5 April, 2026

    56.6 °F

  • Average April

    74.5 °F

  • Highest 4 April, 2026

    85.6 °F

Climate (2021–Present)

Rockport Aransas County Airport (18.6 miles)

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  • Average Low 2021–2026

    67.6 °F

  • Average 2021–2026

    74.6 °F

  • Average High 2021–2026

    82 °F
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