UV Index for Galveston, TX

Current Galveston UV Index

2.4 (Low)

Last Updated 40 minutes ago

Hourly Galveston UV Index

The hourly Galveston, TX UV Index forecast for Wednesday, July 2nd, 2025.

5 Day Hourly Galveston UV Index Forecast

Last Updated 20 hours ago

The UV index forecast for the next five days in Galveston, TX has 3 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Galveston over the next five days will be 11.8 on Wednesday, July 2nd at 1:00 pm.

The UV index forecast for Wednesday, July 2nd in Galveston, TX is below.

Time UV Index Risk
10am 5
Moderate
11am 7.9
High
12pm 10.4
Very High
1pm 11.8
Extreme
2pm 11.6
Extreme
3pm 9.8
Very High
4pm 7
High
5pm 4.1
Moderate
6pm 1.8
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 3rd in Galveston, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 0.8
Low
9am 2.4
Low
10am 5
Moderate
11am 8
Very High
12pm 10.6
Very High
1pm 11.8
Extreme
2pm 11.4
Extreme
3pm 9.8
Very High
4pm 7
High
5pm 4.1
Moderate
6pm 1.8
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 4th in Galveston, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 0.8
Low
9am 2.4
Low
10am 5
Moderate
11am 7.8
High
12pm 10.2
Very High
1pm 11.6
Extreme
2pm 11.2
Extreme
3pm 9.5
Very High
4pm 6.9
High
5pm 4.1
Moderate
6pm 1.8
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 5th in Galveston, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low