0 (Low)
Last Updated 13 minutes ago
The hourly Sumner, IA UV Index forecast for Thursday, September 18th, 2025.
Last Updated 12 hours ago
The UV index forecast for the next five days in Sumner, IA has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Sumner over the next five days will be 6 on Saturday, September 20th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Sumner, IA is below.
Time | UV Index | Risk |
---|---|---|
2am | 0 |
Low |
3am | 0 |
Low |
4am | 0 |
Low |
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0 |
Low |
8am | 0.2 |
Low |
9am | 0.7 |
Low |
10am | 1.1 |
Low |
11am | 1.3 |
Low |
12pm | 1 |
Low |
1pm | 1.2 |
Low |
2pm | 3.4 |
Moderate |
3pm | 3.9 |
Moderate |
4pm | 2.5 |
Low |
5pm | 1 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Sumner, IA 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 | 0.1 |
Low |
9am | 0.5 |
Low |
10am | 0.9 |
Low |
11am | 2 |
Low |
12pm | 2.5 |
Low |
1pm | 2.4 |
Low |
2pm | 2.8 |
Low |
3pm | 1.6 |
Low |
4pm | 1.2 |
Low |
5pm | 0.9 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Sumner, IA 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 | 0.7 |
Low |
10am | 2.2 |
Low |
11am | 3.9 |
Moderate |
12pm | 5.4 |
Moderate |
1pm | 6 |
High |
2pm | 5.3 |
Moderate |
3pm | 4 |
Moderate |
4pm | 2.6 |
Low |
5pm | 1.3 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Sumner, IA 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 |