Swan Lake Weather Forecast

    • 75
    • 86

    Mostly Sunny

    • 70
    • 87

    Slight Chance Thunderstorms

    • 73
    • 84

    Partly Sunny

    • 74
    • 84

    Partly Sunny

    • 72
    • 85

    Chance Rain Showers

    • 71
    • 84

    Slight Chance Thunderstorms

Today 20 Oct Calhoun Islands

Sunny. Highs in the mid 80s. Southeast Winds 10 to 15 Mph.

Tonight 20 Oct Calhoun Islands

Mostly clear. Lows in the upper 70s. South Winds 15 to 20 Mph.

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Swan Lake Temperature Statistics

October Temperature

Rockport Aransas County Airport (23.6 miles)

  • Lowest 15 October, 2025

    66 °F

  • Average October

    80.6 °F

  • Highest 1 October, 2025

    90 °F

Climate (2020–Present)

Rockport Aransas County Airport (23.6 miles)

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  • Average Low 2020–2025

    67.1 °F

  • Average 2020–2025

    74.1 °F

  • Average High 2020–2025

    81.6 °F
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