Measurements:
°C
°F
CURRENT WEATHER
12:10
Galveston Island
88°F
NW 14 mph
Feels like: 102°F
Precip: 4%
World Resorts USA Galveston Island Weather

7 Day Weather Forecast

06.04
thu
DAY
88°F
NW 14 mph
precip
4%
NIGHT
82°F
NW 22 mph
precip
16%
06.05
fri
DAY
84°F
NW 17 mph
precip
73%
NIGHT
84°F
NW 13 mph
precip
4%
06.06
sat
DAY
86°F
N 10 mph
precip
73%
NIGHT
84°F
NW 17 mph
precip
10%
06.07
sun
DAY
86°F
N 14 mph
precip
73%
NIGHT
86°F
N 22 mph
precip
8%
06.08
mon
DAY
86°F
N 16 mph
precip
73%
NIGHT
86°F
NW 14 mph
precip
6%
06.09
tue
DAY
86°F
NW 10 mph
precip
5%
NIGHT
86°F
NW 12 mph
precip
8%
06.10
wed
DAY
86°F
NW 7 mph
precip
7%
NIGHT
84°F
NW 12 mph
precip
2%

Galveston Island Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Galveston Island was 29.3°F. The maximum and minimum values were 27.8°F and 30.8°F respectively.

Galveston Island on the Weather Map

Best Time to Visit Galveston Island
The most sunny months:
October 18 days
November 14 days
September 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 12 mph
January 11 mph
May 11 mph
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