Mustang Lake Weather Forecast

    • 80
    • 89

    Rain Showers Likely

    • 81
    • 89

    Chance Thunderstorms

    • 82
    • 90

    Slight Chance Thunderstorms

    • 82
    • 90

    Partly Sunny

    • 82
    • 91

    Slight Chance Thunderstorms

    • 82
    • 91

    Chance Rain Showers

Today 9 Sep Coastal Calhoun

Partly cloudy with a chance of Thunderstorms. Showers Likely, mainly this morning. Highs in the lower 90s. Southeast Winds around 5 Mph, increasing to 5 to 10 Mph this afternoon. Chance of rain 70 percent.

Tonight 9 Sep Coastal Calhoun

Mostly clear in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the upper 70s. Southeast Winds 5 to 10 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mustang Lake Temperature Statistics

September Temperature

Rockport Aransas County Airport (18.6 miles)

  • Lowest 1 September, 2026

    77.6 °F

  • Average September

    87.8 °F

  • Highest 4 September, 2026

    96.7 °F

Climate (2021–2026)

Rockport Aransas County Airport (18.6 miles)

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  • Average Low 2021–2026

    67.7 °F

  • Average 2021–2026

    74.8 °F

  • Average High 2021–2026

    82.1 °F
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