Mustang Lake Weather Forecast

    • 64
    • 71

    Dense Fog

    • 61
    • 71

    Chance Rain Showers

    • 45
    • 67

    Slight Chance Rain Showers

    • 53
    • 59

    Mostly Cloudy

    • 62
    • 68

    Chance Thunderstorms

    • 63
    • 71

    Partly Sunny

Today 12 Dec Coastal Calhoun

Widespread dense fog this morning. Mostly cloudy. Highs in the lower 70s. South Winds around 5 Mph.

Tonight 12 Dec Coastal Calhoun

Mostly cloudy. Areas of fog. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. East Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mustang Lake Temperature Statistics

December Temperature

Rockport Aransas County Airport (18.6 miles)

  • Lowest 2 December, 2025

    42.1 °F

  • Average December

    54.4 °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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