4.3 (Moderate)
Last Updated 56 minutes ago
The hourly Grand Island, MI UV Index forecast for Thursday, September 18th, 2025.
Last Updated 23 hours ago
The UV index forecast for the next five days in Grand Island, MI has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Grand Island over the next five days will be 5.1 on Friday, September 19th at 2:00 pm.
The UV index forecast for Thursday, September 18th in Grand Island, MI is below.
| Time | UV Index | Risk |
|---|---|---|
| 2pm | 4.9 |
Moderate |
| 3pm | 4.4 |
Moderate |
| 4pm | 3.2 |
Moderate |
| 5pm | 1.8 |
Low |
| 6pm | 0.8 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Grand Island, MI 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 |
Low |
| 9am | 0.4 |
Low |
| 10am | 1.2 |
Low |
| 11am | 2.4 |
Low |
| 12pm | 3.8 |
Moderate |
| 1pm | 4.8 |
Moderate |
| 2pm | 5.1 |
Moderate |
| 3pm | 4.5 |
Moderate |
| 4pm | 3.3 |
Moderate |
| 5pm | 1.9 |
Low |
| 6pm | 0.8 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Grand Island, MI 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 |
Low |
| 9am | 0.3 |
Low |
| 10am | 1 |
Low |
| 11am | 2.2 |
Low |
| 12pm | 2.5 |
Low |
| 1pm | 2.7 |
Low |
| 2pm | 2.8 |
Low |
| 3pm | 0.5 |
Low |
| 4pm | 0.6 |
Low |
| 5pm | 0.2 |
Low |
| 6pm | 0.1 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Grand Island, MI 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 |
Low |
| 12pm | 2.4 |
Low |
| 1pm | 3.1 |
Moderate |
| 2pm | 2.6 |
Low |
| 3pm | 1.4 |
Low |
| 4pm | 0.8 |
Low |
| 5pm | 0.6 |
Low |
| 6pm | 0.3 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, September 22nd in Grand Island, MI 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 |
Low |