Mustang Lake Weather Forecast

    • 45
    • 56

    Breezy

    • 43
    • 56

    Partly Sunny

    • 55
    • 63

    Partly Sunny

    • 64
    • 71

    Mostly Cloudy

    • 61
    • 75

    Mostly Sunny

    • 60
    • 74

    Mostly Sunny

Today 29 Dec Coastal Calhoun

Mostly cloudy and windy. Much cooler with Highs in the mid 50s. North Winds 25 to 30 Mph with Gusts up to 45 Mph, Diminishing to 20 to 25 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 29 Dec Coastal Calhoun

Mostly cloudy. Lows in the lower 40s. North Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Mustang Lake Temperature Statistics

December Temperature

Rockport Aransas County Airport (18.6 miles)

  • Lowest 15 December, 2025

    37.9 °F

  • Average December

    62.1 °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

    67.4 °F

  • Average 2020–2025

    74.3 °F

  • Average High 2020–2025

    81.7 °F
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