World Resorts USA Galveston Island Weather

Galveston Island 7 Days Forecast

14.10
wed
Day
81°F
NW 15 mph
Precip.
7%
Night
81°F
NW 17 mph
Precip.
7%
15.10
thu
Day
81°F
NW 11 mph
Precip.
14%
Night
81°F
NW 11 mph
Precip.
22%
16.10
fri
Day
79°F
SW 17 mph
Precip.
7%
Night
75°F
S 29 mph
Precip.
3%
17.10
sat
Day
64°F
SW 20 mph
Precip.
7%
Night
72°F
SW 15 mph
Precip.
9%
18.10
sun
Day
70°F
SW 13 mph
Precip.
13%
Night
75°F
W 10 mph
Precip.
4%
19.10
mon
Day
75°F
SW 17 mph
Precip.
16%
Night
79°F
W 20 mph
Precip.
17%
20.10
tue
Day
77°F
SW 19 mph
Precip.
44%
Night
79°F
W 13 mph
Precip.
9%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 81.1°F. The highest and lowest sea temperatures during the month were 84.4°F and 76.1°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

Sunniest months:
October 18 days
August 15 days
November 14 days
Warmest months:
August 89.4 °F
July 88.6 °F
June 87.4 °F
Warmest sea temp:
August 87.5 °F
July 86.2 °F
September 85.3 °F
Coldest months:
January 58.6 °F
February 60.6 °F
December 63.4 °F
Rainiest months:
November 3 days
July 3 days
May 3 days
Windiest months:
April 12.3 mph
January 11.5 mph
May 11.3 mph

Galveston Island on a weather map

Galveston Island
+81°F
N 16 mph
Feels like: +88°F
Precip.: 7%
Places in USA:
Name
°F
+64°F
+70°F
+75°F
+52°F
+68°F
+82°F
+64°F
+72°F
+70°F
+68°F
+57°F
+64°F
+77°F
+77°F
+63°F
24 Hours Forecast
Galveston Island
Local time: 07:54
October 14, wednesday
0900
81°F
N
16 mph
1200
81°F
NW
15 mph
1500
81°F
NW
14 mph
1800
81°F
NW
16 mph
2100
81°F
NW
17 mph
October 15, thursday
0000
81°F
NW
17 mph
0300
81°F
NW
15 mph
0600
81°F
NW
13 mph
Units of measurement: °C / °F