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The hourly Irwin, IA UV Index forecast for Friday, October 31st, 2025.
Last Updated 13 hours ago
The UV index forecast for the next five days in Irwin, IA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Irwin over the next five days will be 3 on Sunday, November 2nd at 1:00 pm.
The UV index forecast for Friday, October 31st in Irwin, IA is below.
| Time | UV Index | Risk | 
|---|---|---|
| 3am | 0 | Low | 
| 4am | 0 | Low | 
| 5am | 0 | Low | 
| 6am | 0 | Low | 
| 7am | 0 | Low | 
| 8am | 0 | Low | 
| 9am | 0.2 | Low | 
| 10am | 0.7 | Low | 
| 11am | 1.5 | Low | 
| 12pm | 2.3 | Low | 
| 1pm | 2.8 | Low | 
| 2pm | 2.7 | Low | 
| 3pm | 2.1 | Low | 
| 4pm | 1.2 | Low | 
| 5pm | 0.5 | Low | 
| 6pm | 0 | Low | 
| 7pm | 0 | Low | 
| 8pm | 0 | Low | 
| 9pm | 0 | Low | 
| 10pm | 0 | Low | 
| 11pm | 0 | Low | 
The UV index forecast for Saturday, November 1st in Irwin, 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 | Low | 
| 9am | 0.2 | Low | 
| 10am | 0.6 | Low | 
| 11am | 1.4 | Low | 
| 12pm | 2.2 | Low | 
| 1pm | 2.6 | Low | 
| 2pm | 2.6 | Low | 
| 3pm | 1.9 | Low | 
| 4pm | 1.2 | Low | 
| 5pm | 0.5 | Low | 
| 6pm | 0 | Low | 
| 7pm | 0 | Low | 
| 8pm | 0 | Low | 
| 9pm | 0 | Low | 
| 10pm | 0 | Low | 
| 11pm | 0 | Low | 
The UV index forecast for Sunday, November 2nd in Irwin, IA is below.
| Time | UV Index | Risk | 
|---|---|---|
| 12am | 0 | Low | 
| 1am | 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 | 0.6 | Low | 
| 10am | 1.6 | Low | 
| 11am | 2.3 | Low | 
| 12pm | 2.9 | Low | 
| 1pm | 3 | Moderate | 
| 2pm | 2.3 | Low | 
| 3pm | 1.4 | Low | 
| 4pm | 0.5 | Low | 
| 5pm | 0 | Low | 
| 6pm | 0 | Low | 
| 7pm | 0 | Low | 
| 8pm | 0 | Low | 
| 9pm | 0 | Low | 
| 10pm | 0 | Low | 
| 11pm | 0 | Low | 
The UV index forecast for Monday, November 3rd in Irwin, 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 |