Galveston weather live forecast

Today's maximum temperature in Galveston is expected to be 29°C. Select a day from the live weather forecast for Galveston, Texas, USA for more weather parameters.

Wednesday
13th May
29

21

13

10
Thursday
14th May
28

22

13

10
Friday
15th May
27

23

7

9
Saturday
16th May
27

24

6

9
Sunday
17th May
28

26

4

9

5-day weather forecast updated at 04:02 on Wednesday 13th May 2026 GMT

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The 5-day weather forecast for Texas (Galveston) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Galveston weather forecast by day

Below are the detailed weather forecasts for Galveston for the next 5 days.

Galveston weather for Wednesday 13th May 2026

Expect clear skies in Galveston, Texas with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

29
°C maximum temperature
21
°C minimum temperature
clear skies
13
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from SW

Galveston weather for Thursday 14th May 2026

Expect clear skies in Galveston, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

28
°C maximum temperature
22
°C minimum temperature
clear skies
13
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from S

Galveston weather for Friday 15th May 2026

Expect scattered clouds in Galveston, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south.

27
°C maximum temperature
23
°C minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
26
kph wind from S

Galveston weather for Saturday 16th May 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 28 kph from the south-east.

27
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
19
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
28
kph wind from SE

Galveston weather for Sunday 17th May 2026

Expect broken clouds in Galveston, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-east.