Mustang Lake Weather Forecast

    • 49
    • 57

    Increasing Clouds

    • 62
    • 67

    Mostly Cloudy

    • 63
    • 71

    Chance Thunderstorms

    • 58
    • 73

    Partly Sunny

    • 61
    • 68

    Mostly Cloudy

    • 64
    • 72

    Partly Sunny

Today 15 Dec Coastal Calhoun

Partly cloudy. Highs in the mid 50s. Northeast Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph in the afternoon.

Tonight 15 Dec Coastal Calhoun

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 40s. East Winds around 5 Mph.

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Mustang Lake Temperature Statistics

December Temperature

Rockport Aransas County Airport (18.6 miles)

  • Lowest 2 December, 2025

    42.1 °F

  • Average December

    56.6 °F

  • Highest 7 December, 2025

    80.1 °F

Climate (2020–Present)

Rockport Aransas County Airport (18.6 miles)

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  • Average Low 2020–2025

    67.3 °F

  • Average 2020–2025

    74.2 °F

  • Average High 2020–2025

    81.6 °F
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