Galveston Airport Weather Forecast

    • 57
    • 69

    Rain Showers Likely

    • 58
    • 73

    Chance Rain Showers

    • 59
    • 79

    Rain Showers Likely

    • 61
    • 81

    Mostly Cloudy

    • 64
    • 83

    Mostly Cloudy

    • 65
    • 83

    Chance Thunderstorms

Today 22 May Cass

Mostly cloudy. A chance of Showers in the afternoon. Highs around 70. East Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 22 May Cass

Partly cloudy. Near steady temperature in the lower 50s. East Winds around 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Galveston Airport Temperature Statistics

May Temperature

Grissom Air Force Base / Peru (6.8 miles)

  • Lowest 2 May, 2026

    35.1 °F

  • Average May

    58.3 °F

  • Highest 17 May, 2026

    84.4 °F

Climate (2021–Present)

Grissom Air Force Base / Peru (6.8 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.4 °F
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