Measurements:
°C
°F
CURRENT WEATHER
06:24
Galveston Island
74°F
NW 14 mph
Feels like: 80°F
Precip: 0%
World Resorts USA Galveston Island Weather

7 Day Weather Forecast

04.03
fri
DAY
78°F
NW 16 mph
precip
70%
NIGHT
74°F
NW 21 mph
precip
0%
04.04
sat
DAY
74°F
NW 13 mph
precip
0%
NIGHT
74°F
W 3 mph
precip
0%
04.05
sun
DAY
68°F
SW 21 mph
precip
0%
NIGHT
72°F
SW 25 mph
precip
0%
04.06
mon
DAY
62°F
SW 23 mph
precip
70%
NIGHT
68°F
SW 21 mph
precip
0%
04.07
tue
DAY
66°F
SW 19 mph
precip
0%
NIGHT
68°F
SW 23 mph
precip
0%
04.08
wed
DAY
64°F
W 15 mph
precip
0%
NIGHT
68°F
NW 19 mph
precip
0%
04.09
thu
DAY
72°F
NW 21 mph
precip
22%
NIGHT
72°F
NW 25 mph
precip
28%

Galveston Island Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Galveston Island was 23.5°F. The maximum and minimum values were 20.8°F and 26.1°F respectively.

Galveston Island on the Weather Map

Best Time to Visit Galveston Island
The most sunny months:
October 18 days
September 14 days
November 14 days
The most warm months:
August 93.5 °F
July 92.6 °F
June 92.0 °F
Warmest sea temperature:
August 91.7 °F
July 90.2 °F
September 89.0 °F
The most cold months:
January 59.6 °F
February 61.8 °F
December 64.9 °F
The most rainy months:
November 3 days
July 3 days
May 3 days
The most windy months:
April 11 mph
January 11 mph
May 11 mph
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