Current sea water temperature:
+86.4°F
| Minimum sea water temperature in July: | 88.9°F |
| Maximum sea water temperature in July: | 83.8°F |
| Average sea water temperature in July: | 86.0°F |
| more information | |
14 days
forecast
forecast
| Galveston |
monthly
weather
weather
| Galveston |
Sea water temperature for the last 10 days:
| July 21 | 86.4°F | July 16 | 85.5°F |
| July 20 | 85.8°F | July 15 | 85.6°F |
| July 19 | 86.5°F | July 14 | 85.8°F |
| July 18 | 85.3°F | July 13 | 86.2°F |
| July 17 | 85.1°F | July 12 | 86.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Galveston?
Based on the data about daily sea water temperature for the last three years the warmest sea in Galveston was noticed in August, July and September.
Monthly Sea Temperatures in Galveston, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 87.9°F. The highest and lowest sea temperatures during the month were 89.2°F and 86.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 87.3°F and 83.8°F.
current
weather
weather
| Galveston |
weather in
July
July
| Galveston |
Best time for vacation in Galveston
Galveston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Galveston
Local time: 08:36
July 21, tuesday
0900
81°F
E
14 mph
14 mph
1200
91°F
E
7 mph
7 mph
1500
97°F
N
8 mph
8 mph
1800
86°F
NE
14 mph
14 mph
2100
84°F
NE
19 mph
19 mph
July 22, wednesday
0000
84°F
NE
19 mph
19 mph
0300
82°F
E
17 mph
17 mph
0600
81°F
E
16 mph
16 mph
