Current sea water temperature:
+84.9°F
| Minimum sea water temperature in June: | 87.8°F |
| Maximum sea water temperature in June: | 79.7°F |
| Average sea water temperature in June: | 84.4°F |
| more information | |
14 days
forecast
forecast
| Galveston |
monthly
weather
weather
| Galveston |
Sea water temperature for the last 10 days:
| June 26 | 84.9°F | June 21 | 84.4°F |
| June 25 | 85.3°F | June 20 | 84.0°F |
| June 24 | 84.9°F | June 19 | 83.7°F |
| June 23 | 84.7°F | June 18 | 83.3°F |
| June 22 | 84.4°F | June 17 | 83.7°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 88.0°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: 17:20
June 26, friday
1800

86°F
N
16 mph
16 mph
2100

82°F
N
17 mph
17 mph
June 27, saturday
0000

81°F
N
21 mph
21 mph
0300

79°F
N
19 mph
19 mph
0600

82°F
N
17 mph
17 mph
0900

84°F
N
17 mph
17 mph
1200

84°F
N
16 mph
16 mph
1500

84°F
N
16 mph
16 mph



























