0 (Low)
Last Updated 15 minutes ago
The hourly Grenville, SD UV Index forecast for Wednesday, September 3rd, 2025.
Last Updated 12 hours ago
The UV index forecast for the next five days in Grenville, SD has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Grenville over the next five days will be 6.1 on Thursday, September 4th at 1:00 pm.
The UV index forecast for Wednesday, September 3rd in Grenville, SD 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 |
Low |
9am | 0.3 |
Low |
10am | 1 |
Low |
11am | 2.8 |
Low |
12pm | 3.4 |
Moderate |
1pm | 4.6 |
Moderate |
2pm | 5.3 |
Moderate |
3pm | 3.2 |
Moderate |
4pm | 3.5 |
Moderate |
5pm | 2 |
Low |
6pm | 0.9 |
Low |
7pm | 0.2 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Thursday, September 4th in Grenville, SD 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 | 0.8 |
Low |
10am | 1.8 |
Low |
11am | 3.5 |
Moderate |
12pm | 5.2 |
Moderate |
1pm | 6.1 |
High |
2pm | 5.6 |
Moderate |
3pm | 4.8 |
Moderate |
4pm | 3.4 |
Moderate |
5pm | 0.4 |
Low |
6pm | 0.2 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, September 5th in Grenville, SD 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 | 0.8 |
Low |
10am | 1.9 |
Low |
11am | 3.2 |
Moderate |
12pm | 2.6 |
Low |
1pm | 2.2 |
Low |
2pm | 2 |
Low |
3pm | 1.4 |
Low |
4pm | 1 |
Low |
5pm | 0.9 |
Low |
6pm | 0.5 |
Low |
7pm | 0.2 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, September 6th in Grenville, SD 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 |