Swan Lake Weather Forecast

    • 81
    • 89

    Chance Rain Showers

    • 82
    • 95

    Chance Thunderstorms

    • 82
    • 90

    Chance Thunderstorms

    • 82
    • 90

    Chance Thunderstorms

    • 82
    • 88

    Slight Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

Today 10 Sep Coastal Refugio

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 90s. South Winds around 5 Mph, increasing to southeast this afternoon. Chance of rain 50 percent.

Tonight 10 Sep Coastal Refugio

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Swan Lake Temperature Statistics

September Temperature

Rockport Aransas County Airport (27.3 miles)

  • Lowest 1 September, 2026

    77.6 °F

  • Average September

    87.7 °F

  • Highest 4 September, 2026

    96.7 °F

Climate (2021–2026)

Rockport Aransas County Airport (27.3 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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