Mustang Lake Weather Forecast

    • 80
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

    • 81
    • 89

    Mostly Sunny

    • 81
    • 89

    Chance Rain Showers

    • 79
    • 89

    Chance Thunderstorms

    • 78
    • 88

    Chance Thunderstorms

Today 26 Aug Coastal Calhoun

Partly cloudy. Showers and Thunderstorms Likely, mainly this morning. Highs in the lower 90s. Southeast Winds around 5 Mph, increasing to 5 to 10 Mph this afternoon. Chance of rain 70 percent.

Tonight 26 Aug Coastal Calhoun

Mostly clear in the Evening, then becoming partly cloudy. A slight chance of Showers. A slight chance of Thunderstorms in the Evening, then a chance of Thunderstorms after midnight. Lows in the upper 70s. Southeast Winds 5 to 10 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 30 percent.

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Mustang Lake Temperature Statistics

August Temperature

Rockport Aransas County Airport (18.6 miles)

  • Lowest 5 August, 2025

    73.7 °F

  • Average August

    85.9 °F

  • Highest 5 August, 2025

    96.7 °F

Climate (2020–Present)

Rockport Aransas County Airport (18.6 miles)

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  • Average Low 2020–2025

    67 °F

  • Average 2020–2025

    74 °F

  • Average High 2020–2025

    81.5 °F
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