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.

Thursday
18th Jun
31

28

8

11
Friday
19th Jun
30

28

6

10
Saturday
20th Jun
30

28

4

11
Sunday
21st Jun
31

29

7

10
Monday
22nd Jun
31

28

7

11

5-day weather forecast updated at 04:03 on Thursday 18th June 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 Thursday 18th June 2026

Expect scattered clouds in Galveston, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south.

31
°C maximum temperature
28
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
28
kph wind from S

Galveston weather for Friday 19th June 2026

Expect broken clouds in Galveston, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.

30
°C maximum temperature
28
°C minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
24
kph wind from SE

Galveston weather for Saturday 20th June 2026

Expect broken clouds in Galveston, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south.

30
°C maximum temperature
28
°C minimum temperature
broken clouds
4
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from S

Galveston weather for Sunday 21st June 2026

Expect broken clouds 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 0 mm of rainfall expected and a moderate breeze of 28 kph from the south.

31
°C maximum temperature
29
°C minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
28
kph wind from S

Galveston weather for Monday 22nd June 2026

Expect broken clouds in Galveston, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south.