23.09
wed
wed
Day
84°F
SW 12 mph
Precip.
29%
29%
Night
86°F
NE 2 mph
Precip.
15%
15%
24.09
thu
thu
Day
82°F
SW 9 mph
Precip.
29%
29%
Night
86°F
NW 7 mph
Precip.
18%
18%
25.09
fri
fri
Day
82°F
SW 8 mph
Precip.
21%
21%
Night
84°F
NW 14 mph
Precip.
5%
5%
26.09
sat
sat
Day
84°F
NW 11 mph
Precip.
26%
26%
Night
84°F
NW 15 mph
Precip.
16%
16%
27.09
sun
sun
Day
82°F
NW 3 mph
Precip.
4%
4%
Night
84°F
NW 15 mph
Precip.
6%
6%
28.09
mon
mon
Day
82°F
N 5 mph
Precip.
6%
6%
Night
84°F
NW 16 mph
Precip.
10%
10%
29.09
tue
tue
Day
84°F
N 15 mph
Precip.
31%
31%
Night
82°F
N 19 mph
Precip.
32%
32%
sea water
temperature
temperature
| Galveston |
monthly
weather
weather
| Galveston |
current
weather
weather
| Galveston |
14 days
forecast
forecast
| Galveston |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 87.1°F. The highest and lowest sea temperatures during the month were 88.2°F and 85.8°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 80.8°F. The highest and lowest sea temperatures during the month were 84.6°F and 75.2°F.
Air temperature in Galveston, °F
Precipitation total in Galveston, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Galveston
Galveston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Galveston
Local time: 01:01
September 23, wednesday
0300
86°F
NW
6 mph
6 mph
0600
84°F
SW
2 mph
2 mph
0900
84°F
SW
9 mph
9 mph
1200
84°F
SW
12 mph
12 mph
1500
86°F
W
9 mph
9 mph
1800
86°F
NW
7 mph
7 mph
2100
86°F
N
8 mph
8 mph
September 24, thursday
0000
86°F
NE
2 mph
2 mph
