29.04
wed
wed
Day
79°F
N 12 mph
Precip.
0%
0%
Night
75°F
N 7 mph
Precip.
0%
0%
30.04
thu
thu
Day
77°F
NW 11 mph
Precip.
65%
65%
Night
75°F
NW 18 mph
Precip.
0%
0%
01.05
fri
fri
Day
77°F
NW 21 mph
Precip.
70%
70%
Night
70°F
S 23 mph
Precip.
0%
0%
02.05
sat
sat
Day
63°F
S 24 mph
Precip.
73%
73%
Night
68°F
SW 17 mph
Precip.
0%
0%
03.05
sun
sun
Day
66°F
SW 11 mph
Precip.
0%
0%
Night
72°F
NW 9 mph
Precip.
0%
0%
04.05
mon
mon
Day
73°F
NW 11 mph
Precip.
0%
0%
Night
73°F
N 14 mph
Precip.
0%
0%
05.05
tue
tue
Day
73°F
N 16 mph
Precip.
0%
0%
Night
73°F
N 19 mph
Precip.
0%
0%
sea water
temperature
temperature
| Galveston Island |
monthly
weather
weather
| Galveston Island |
current
weather
weather
| Galveston Island |
14 days
forecast
forecast
| Galveston Island |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 74.9°F. The highest and lowest sea temperatures during the month were 78.4°F and 72.7°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 83.5°F and 76.6°F.
Air temperature in Galveston Island, °F
Precipitation total in Galveston Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Galveston Island
Galveston Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Galveston Island
Local time: 07:36
April 29, wednesday
0900
77°F
N
12 mph
12 mph
1200
79°F
N
12 mph
12 mph
1500
79°F
N
13 mph
13 mph
1800
77°F
N
11 mph
11 mph
2100
77°F
N
11 mph
11 mph
April 30, thursday
0000
75°F
N
7 mph
7 mph
0300
75°F
W
17 mph
17 mph
0600
75°F
NW
16 mph
16 mph
