Measurements:
°C
°F
CURRENT WEATHER
17:22
Galveston Island
66°F
N 9 mph
Feels like: 66°F
Precip: 0%
World Resorts USA Galveston Island Weather

7 Day Weather Forecast

03.13
fri
DAY
66°F
N 11 mph
precip
0%
NIGHT
64°F
N 15 mph
precip
0%
03.14
sat
DAY
68°F
N 11 mph
precip
0%
NIGHT
70°F
N 17 mph
precip
0%
03.15
sun
DAY
70°F
N 19 mph
precip
0%
NIGHT
64°F
S 38 mph
precip
100%
03.16
mon
DAY
54°F
S 25 mph
precip
0%
NIGHT
54°F
SW 17 mph
precip
68%
03.17
tue
DAY
56°F
W 12 mph
precip
0%
NIGHT
60°F
N 17 mph
precip
0%
03.18
wed
DAY
68°F
N 17 mph
precip
0%
NIGHT
68°F
N 14 mph
precip
0%
03.19
thu
DAY
70°F
N 9 mph
precip
0%
NIGHT
70°F
N 14 mph
precip
0%

Galveston Island Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Galveston Island was 18.4°F. The maximum and minimum values were 15.0°F and 22.5°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
more details