Mustang Lake Weather Forecast

    • 46
    • 57

    Mostly Sunny

    • 55
    • 62

    Mostly Sunny

    • 65
    • 71

    Partly Sunny

    • 59
    • 75

    Mostly Sunny

    • 61
    • 72

    Mostly Sunny

    • 65
    • 73

    Partly Sunny

    • 64
    • 74

    Partly Sunny

Today 30 Dec Coastal Calhoun

Sunny. Highs in the upper 50s. North Winds 10 to 15 Mph.

Tonight 30 Dec Coastal Calhoun

Mostly clear. Lows in the upper 30s. North Winds 5 to 10 Mph, Diminishing to around 5 Mph after midnight.

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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

    62.5 °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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