Galveston Weather Forecast

    • 70
    • 84

    Rain Showers Likely

    • 61
    • 85

    Chance Rain Showers

    • 52
    • 73

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

    • 58
    • 78

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 68
    • 87

    Partly Sunny

Today 20 Jul Cass

Mostly cloudy. Patchy smoke. Near steady temperature in the lower 80s. Southwest Winds around 5 Mph.

Tonight 20 Jul Cass

Patchy smoke in the evening. Partly cloudy in the Evening, then mostly cloudy with Showers likely with a chance of Thunderstorms after midnight. Lows around 70. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Galveston Temperature Statistics

July Temperature

Grissom Air Force Base / Peru (5 miles)

  • Lowest 13 July, 2026

    60.4 °F

  • Average July

    77.4 °F

  • Highest 3 July, 2026

    91.6 °F

Climate (2021–2026)

Grissom Air Force Base / Peru (5 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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