9.5 (Very High)
Last Updated 34 minutes ago
The hourly Alton, TX UV Index forecast for Sunday, July 6th, 2025.
Last Updated 2 hours ago
The UV index forecast for the next five days in Alton, TX has 2 days 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 12 on Monday, July 7th at 2:00 pm.
The UV index forecast for Sunday, July 6th in Alton, TX is below.
| Time | UV Index | Risk |
|---|---|---|
| 4pm | 7.5 |
High |
| 5pm | 4.7 |
Moderate |
| 6pm | 2.2 |
Low |
| 7pm | 0.7 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, July 7th 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 | 0.5 |
Low |
| 9am | 1.9 |
Low |
| 10am | 4.2 |
Moderate |
| 11am | 7.3 |
High |
| 12pm | 10.1 |
Very High |
| 1pm | 11.9 |
Extreme |
| 2pm | 12 |
Extreme |
| 3pm | 10.5 |
Very High |
| 4pm | 7.8 |
High |
| 5pm | 4.7 |
Moderate |
| 6pm | 2.1 |
Low |
| 7pm | 0.7 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, July 8th 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 | 0.5 |
Low |
| 9am | 1.7 |
Low |
| 10am | 3.9 |
Moderate |
| 11am | 6.4 |
High |
| 12pm | 9.2 |
Very High |
| 1pm | 10.7 |
Very High |
| 2pm | 10.7 |
Very High |
| 3pm | 9.2 |
Very High |
| 4pm | 6.8 |
High |
| 5pm | 4.2 |
Moderate |
| 6pm | 2 |
Low |
| 7pm | 0.6 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, July 9th 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 | 0.4 |
Low |
| 9am | 1.7 |
Low |
| 10am | 3.8 |
Moderate |
| 11am | 6.7 |
High |
| 12pm | 9.4 |
Very High |
| 1pm | 11 |
Extreme |
| 2pm | 11.2 |
Extreme |
| 3pm | 9.8 |
Very High |
| 4pm | 7.2 |
High |
| 5pm | 4.4 |
Moderate |
| 6pm | 2 |
Low |
| 7pm | 0.6 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Thursday, July 10th 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 |