Galveston weather live forecast

Today's maximum temperature in Galveston is expected to be 31°C. Select a day from the live weather forecast for Galveston, Texas, USA for more weather parameters.

Wednesday
2nd Sep
31

29

5

8
Thursday
3rd Sep
31

30

7

10
Friday
4th Sep
31

29

7

9
Saturday
5th Sep
31

28

7

9
Sunday
6th Sep
31

27

6

10

5-day weather forecast updated at 04:03 on Wednesday 2nd September 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 2nd September 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 20 kph from the south.

31
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
66
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from S

Galveston weather for Thursday 3rd September 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 19 kph from the south-east.

31
°C maximum temperature
30
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
55
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from SE

Galveston weather for Friday 4th September 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 14 kph from the south-east.

31
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
45
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from SE

Galveston weather for Saturday 5th September 2026

Expect scattered clouds in Galveston, Texas with a maximum temperature of 31°C, moderate 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 light breeze of 11 kph from the south.

31
°C maximum temperature
28
°C minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from S

Galveston weather for Sunday 6th September 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 13 kph from the south.