Mustang Lake Weather Forecast

    • 68
    • 75

    Mostly Cloudy

    • 68
    • 75

    Partly Sunny

    • 49
    • 75

    Chance Thunderstorms

    • 40
    • 61

    Breezy

    • 44
    • 52

    Mostly Cloudy

    • 51
    • 58

    Partly Sunny

Today 26 Dec Coastal Calhoun

Patchy fog in the morning. Mostly cloudy. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 26 Dec Coastal Calhoun

Mostly cloudy. Patchy fog. Near steady temperature around 70. South Winds 5 to 10 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

    60.2 °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

    74.3 °F

  • Average High 2020–2025

    81.6 °F
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