Galveston weather live forecast

Today's maximum temperature in Galveston is expected to be 28°C. Select a day from the live weather forecast for Galveston, Texas, USA for more weather parameters.

Tuesday
26th May
28

24

9

UV9
Wednesday
27th May
26

25

3

UV2
Thursday
28th May
28

24

7

UV8
Friday
29th May
30

23

9

UV10
Saturday
30th May
30

25

5

UV10

5-day weather forecast updated at 04:03 on Tuesday 26th 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 Tuesday 26th May 2026

Expect scattered clouds in Galveston, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

28
°C maximum temperature
24
°C minimum temperature
scattered clouds
9
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
22
kph wind from SE

Galveston weather for Wednesday 27th May 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 98% chance of some rain and a moderate breeze of 22 kph from the south.

26
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
UV2
UV index (Low)
98
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
22
kph wind from S

Galveston weather for Thursday 28th May 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 14 kph from the south-east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
UV8
UV index (Very High)
52
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
14
kph wind from SE

Galveston weather for Friday 29th May 2026

Expect scattered clouds in Galveston, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

30
°C maximum temperature
23
°C minimum temperature
scattered clouds
9
hours of sunshine
UV10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from S

Galveston weather for Saturday 30th May 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a gentle breeze of 16 kph from the south.