Current sea water temperature:
+81.9°F
| Minimum sea water temperature in October: | 85.3°F |
| Maximum sea water temperature in October: | 70.7°F |
| Average sea water temperature in October: | 78.8°F |
| more information | |
14 days
forecast
forecast
| Galveston |
monthly
weather
weather
| Galveston |
Sea water temperature for the last 10 days:
| October 13 | 81.9°F | October 8 | 83.1°F |
| October 12 | 81.9°F | October 7 | 83.5°F |
| October 11 | 82.4°F | October 6 | 82.2°F |
| October 10 | 83.1°F | October 5 | 83.5°F |
| October 9 | 83.1°F | October 4 | 83.8°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 87.3°F. The highest and lowest sea temperatures during the month were 88.3°F and 86.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.4°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:
2026
2025
2024
The average sea water temperature in September of 2026 was 87.0°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.1°F.
current
weather
weather
| Galveston |
weather in
October
October
| Galveston |
Best time for vacation in Galveston
Galveston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Galveston
Local time: 15:39
October 13, tuesday
1800

82°F
NW
14 mph
14 mph
2100

82°F
NW
17 mph
17 mph
October 14, wednesday
0000

82°F
N
20 mph
20 mph
0300

81°F
N
17 mph
17 mph
0600

81°F
N
15 mph
15 mph
0900

81°F
NW
16 mph
16 mph
1200

81°F
NW
15 mph
15 mph
1500

81°F
NW
15 mph
15 mph




























