UV Index for Alton, TX

Current Alton UV Index

0 (Low)

Last Updated 46 minutes ago

Hourly Alton UV Index

The hourly Alton, TX UV Index forecast for Wednesday, April 16th, 2025.

5 Day Hourly Alton UV Index Forecast

Last Updated 18 hours ago

The UV index forecast for the next five days in Alton, TX has 1 day reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Alton over the next five days will be 11 on Wednesday, April 16th at 2:00 pm.

The UV index forecast for Wednesday, April 16th in Alton, TX is below.

Time UV Index Risk
8am 0.2
Low
9am 1.2
Low
10am 3.2
Moderate
11am 6.3
High
12pm 8.9
Very High
1pm 10.1
Very High
2pm 11
Extreme
3pm 9.5
Very High
4pm 6.8
High
5pm 3.7
Moderate
6pm 1.4
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, April 17th in Alton, 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
Low
8am 0.2
Low
9am 1.2
Low
10am 3.2
Moderate
11am 6
High
12pm 9
Very High
1pm 10.8
Very High
2pm 10.8
Very High
3pm 9.5
Very High
4pm 6.5
High
5pm 3.7
Moderate
6pm 1.4
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, April 18th in Alton, 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
Low
8am 0.2
Low
9am 1.1
Low
10am 2.7
Low
11am 5.3
Moderate
12pm 8.2
Very High
1pm 10
Very High
2pm 10.5
Very High
3pm 9.2
Very High
4pm 6.5
High
5pm 3.8
Moderate
6pm 1.5
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, April 19th in Alton, 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
Low