Swan Lake Weather Forecast

    • 81
    • 90

    Slight Chance Thunderstorms

    • 81
    • 90

    Chance Thunderstorms

    • 80
    • 90

    Rain Showers Likely

    • 78
    • 89

    Rain Showers Likely

    • 76
    • 88

    Rain Showers

    • 75
    • 86

    Rain Showers Likely

    • 73
    • 84

    Chance Thunderstorms

Today 29 Sep Coastal Galveston

Mostly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southeast Winds around 15 Mph. Chance of rain 50 percent.

Tonight 29 Sep Coastal Galveston

Partly cloudy. A slight chance of Showers after midnight. Humid with Lows in the upper 70s. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Swan Lake Temperature Statistics

September Temperature

Galveston, Scholes Field (5.6 miles)

  • Lowest 4 September, 2026

    75.7 °F

  • Average September

    85.6 °F

  • Highest 3 September, 2026

    93.7 °F

Climate (2021–2026)

Galveston, Scholes Field (5.6 miles)

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  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    73.9 °F

  • Average High 2021–2026

    79.6 °F
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