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Last Updated 24 minutes ago
The hourly Old Westbury, NY UV Index forecast for Friday, October 31st, 2025.
Last Updated 17 hours ago
The UV index forecast for the next five days in Old Westbury, NY has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Old Westbury over the next five days will be 3.1 on Saturday, November 1st at 1:00 pm.
The UV index forecast for Friday, October 31st in Old Westbury, NY is below.
| Time | UV Index | Risk | 
|---|---|---|
| 8am | 0 | Low | 
| 9am | 0.2 | Low | 
| 10am | 0.4 | Low | 
| 11am | 0.5 | Low | 
| 12pm | 0.8 | Low | 
| 1pm | 0.9 | Low | 
| 2pm | 0.8 | Low | 
| 3pm | 0.7 | Low | 
| 4pm | 0.2 | Low | 
| 5pm | 0.1 | 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 Old Westbury, NY 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 | 1.1 | Low | 
| 11am | 2 | Low | 
| 12pm | 2.8 | Low | 
| 1pm | 3.1 | Moderate | 
| 2pm | 2.7 | Low | 
| 3pm | 1.9 | Low | 
| 4pm | 1 | Low | 
| 5pm | 0.3 | 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 Old Westbury, NY 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 | 0.4 | Low | 
| 9am | 1 | Low | 
| 10am | 1.8 | Low | 
| 11am | 2.6 | Low | 
| 12pm | 2.8 | Low | 
| 1pm | 2.6 | Low | 
| 2pm | 1.6 | Low | 
| 3pm | 0.9 | Low | 
| 4pm | 0.3 | 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 Old Westbury, NY 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 |