Galveston Weather Forecast
- 73
- 89
Mostly Sunny
- 74
- 92
Partly Sunny
- 71
- 85
Thunderstorms Likely
- 71
- 86
Rain Showers Likely
- 70
- 89
Slight Chance Thunderstorms
- 71
- 90
Slight Chance Thunderstorms
Today 23 Jul Cass
Mostly sunny. Highs in the upper 80s. South Winds around 5 Mph. Heat index Values in the upper 90s in the afternoon.
Tonight 23 Jul Cass
Clear. Near steady temperature in the mid 60s. Southeast Winds around 5 Mph.
Galveston Temperature Statistics
July Temperature
Grissom Air Force Base / Peru (5 miles)
Lowest 8 July, 2025
59.4 °FAverage July
77.1 °FHighest 4 July, 2025
93.2 °F
Climate (2020–Present)
Grissom Air Force Base / Peru (5 miles)
Average Low 2020–2025
43.8 °FAverage 2020–2025
52.9 °FAverage High 2020–2025
62.1 °F