Galveston Airport Weather Forecast

    • 64
    • 85

    Chance Rain Showers

    • 61
    • 86

    Mostly Sunny

    • 61
    • 88

    Mostly Sunny

    • 60
    • 89

    Mostly Sunny

    • 62
    • 90

    Partly Sunny

    • 61
    • 89

    Partly Sunny

Today 13 Sep Cass

Mostly sunny this Morning, then partly cloudy with a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 80s. South Winds around 5 Mph. Chance of rain 30 percent.

Tonight 13 Sep Cass

Partly cloudy with a slight chance of Thunderstorms. A chance of Showers, mainly in the evening. Lows in the mid 60s. South Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Galveston Airport Temperature Statistics

September Temperature

Grissom Air Force Base / Peru (6.8 miles)

  • Lowest 7 September, 2025

    44.8 °F

  • Average September

    61.4 °F

  • Highest 10 September, 2025

    82.2 °F

Climate (2020–Present)

Grissom Air Force Base / Peru (6.8 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    62.1 °F
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