0 (Low)
Last Updated 41 minutes ago
The hourly Setauket, NY UV Index forecast for Saturday, February 21st, 2026.
Last Updated 15 hours ago
The UV index forecast for the next five days in Setauket, NY has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Setauket over the next five days will be 2.8 on Saturday, February 21st at 12:00 pm.
The UV index forecast for Saturday, February 21st in Setauket, NY is below.
| Time | UV Index | Risk |
|---|---|---|
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0.1 |
Low |
| 8am | 0.4 |
Low |
| 9am | 1.1 |
Low |
| 10am | 2 |
Low |
| 11am | 2.6 |
Low |
| 12pm | 2.8 |
Low |
| 1pm | 2.3 |
Low |
| 2pm | 1.7 |
Low |
| 3pm | 0.8 |
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 Sunday, February 22nd in Setauket, 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 | 0.2 |
Low |
| 9am | 0.6 |
Low |
| 10am | 0.8 |
Low |
| 11am | 0.9 |
Low |
| 12pm | 1 |
Low |
| 1pm | 0.8 |
Low |
| 2pm | 0.6 |
Low |
| 3pm | 0.2 |
Low |
| 4pm | 0.1 |
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, February 23rd in Setauket, 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 | 0.2 |
Low |
| 9am | 0.5 |
Low |
| 10am | 1.1 |
Low |
| 11am | 1.3 |
Low |
| 12pm | 1.4 |
Low |
| 1pm | 1.4 |
Low |
| 2pm | 1.2 |
Low |
| 3pm | 0.6 |
Low |
| 4pm | 0.2 |
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 Tuesday, February 24th in Setauket, 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 | 0.1 |
Low |