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.

Friday
22nd May
28

24

9

UV8
Saturday
23rd May
28

26

5

UV6
Sunday
24th May
27

25

2

UV5
Monday
25th May
27

24

4

UV6
Tuesday
26th May
29

25

5

UV10

5-day weather forecast updated at 04:02 on Friday 22nd 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 Friday 22nd May 2026

Expect scattered clouds in Galveston, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

28
°C maximum temperature
24
°C minimum temperature
scattered clouds
9
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from S

Galveston weather for Saturday 23rd May 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 20 kph from the south.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV6
UV index (High)
69
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
20
kph wind from S

Galveston weather for Sunday 24th May 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 15 kph from the south-east.

27
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
UV5
UV index (Moderate)
99
% chance of some rain
<40
mm of rainfall expected
L
low heat & humidity
15
kph wind from SE

Galveston weather for Monday 25th May 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 14 kph from the south-east.

27
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
UV6
UV index (High)
63
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
14
kph wind from SE

Galveston weather for Tuesday 26th May 2026

Expect isolated thunderstorms in Galveston, Texas with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 19 kph from the south-east.