Mustang Lake Weather Forecast

    • 77
    • 84

    Rain Showers Likely

    • 77
    • 83

    Rain Showers

    • 75
    • 85

    Slight Chance Thunderstorms

    • 76
    • 87

    Partly Sunny

    • 76
    • 88

    Mostly Cloudy

    • 74
    • 87

    Slight Chance Thunderstorms

Today 26 May Coastal Calhoun

Partly cloudy. Highs in the upper 80s. Southeast Winds 5 to 10 Mph, increasing to 10 to 15 Mph in the afternoon.

Tonight 26 May Coastal Calhoun

Mostly cloudy. Showers and Thunderstorms likely after midnight. Lows in the mid 70s. Southeast Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mustang Lake Temperature Statistics

May Temperature

Rockport Aransas County Airport (18.6 miles)

  • Lowest 2 May, 2026

    57.7 °F

  • Average May

    77.5 °F

  • Highest 9 May, 2026

    89.7 °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

    74.7 °F

  • Average High 2021–2026

    82 °F
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