Measurements:
°C
°F
Galveston
98°F
N 11 mph
Feels like: 120°F
Precip: 5%
World Resorts USA Galveston Weather

7 Day Weather Forecast

08.05
wed
DAY
98°F
N 10 mph
precip
6%
NIGHT
88°F
N 16 mph
precip
7%
08.06
thu
DAY
90°F
N 8 mph
precip
26%
NIGHT
88°F
NW 18 mph
precip
11%
08.07
fri
DAY
88°F
NW 9 mph
precip
13%
NIGHT
88°F
NW 14 mph
precip
7%
08.08
sat
DAY
88°F
W 9 mph
precip
14%
NIGHT
88°F
NW 14 mph
precip
6%
08.09
sun
DAY
90°F
NW 8 mph
precip
14%
NIGHT
88°F
N 14 mph
precip
10%
08.10
mon
DAY
90°F
N 11 mph
precip
9%
NIGHT
88°F
N 14 mph
precip
8%
08.11
tue
DAY
88°F
N 7 mph
precip
7%
NIGHT
88°F
N 15 mph
precip
11%

Galveston Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Galveston was 31.0°F. The maximum and minimum values were 30.3°F and 31.8°F respectively.

Galveston on the Weather Map

Best Time to Visit Galveston
The most sunny months:
October 18 days
September 14 days
November 14 days
The most warm months:
August 93.5 °F
July 92.9 °F
June 91.6 °F
Warmest sea temperature:
August 91.6 °F
July 90.0 °F
September 88.8 °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