Measurements:
°C
°F
CURRENT WEATHER
23:24
Galveston Island
82°F
N 14 mph
Feels like: 88°F
Precip: 11%
World Resorts USA Galveston Island Weather

7 Day Weather Forecast

06.24
wed
DAY
92°F
NE 9 mph
precip
9%
NIGHT
82°F
N 14 mph
precip
11%
06.25
thu
DAY
88°F
N 11 mph
precip
5%
NIGHT
86°F
N 19 mph
precip
8%
06.26
fri
DAY
88°F
N 17 mph
precip
23%
NIGHT
86°F
N 19 mph
precip
7%
06.27
sat
DAY
88°F
N 16 mph
precip
12%
NIGHT
86°F
N 18 mph
precip
14%
06.28
sun
DAY
88°F
N 14 mph
precip
10%
NIGHT
86°F
N 17 mph
precip
12%
06.29
mon
DAY
88°F
NW 9 mph
precip
20%
NIGHT
86°F
N 11 mph
precip
7%
06.30
tue
DAY
86°F
W 6 mph
precip
9%
NIGHT
86°F
NW 7 mph
precip
8%

Galveston Island Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Galveston Island was 28.9°F. The maximum and minimum values were 28.0°F and 29.5°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
more details