4 (Moderate)
Last Updated 13 minutes ago
The hourly Cos Cob, CT UV Index forecast for Friday, April 18th, 2025.
Last Updated 1 hour ago
The UV index forecast for the next five days in Cos Cob, CT has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Cos Cob over the next five days will be 6.8 on Friday, April 18th at 1:00 pm.
The UV index forecast for Friday, April 18th in Cos Cob, CT is below.
| Time | UV Index | Risk |
|---|---|---|
| 4pm | 2.4 |
Low |
| 5pm | 0.9 |
Low |
| 6pm | 0.5 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, April 19th in Cos Cob, CT 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 |
| 8am | 0.4 |
Low |
| 9am | 1.3 |
Low |
| 10am | 2.4 |
Low |
| 11am | 4.9 |
Moderate |
| 12pm | 6.4 |
High |
| 1pm | 6.6 |
High |
| 2pm | 5.8 |
Moderate |
| 3pm | 4.4 |
Moderate |
| 4pm | 2.4 |
Low |
| 5pm | 1.4 |
Low |
| 6pm | 0.6 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, April 20th in Cos Cob, CT 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 |
| 8am | 0.6 |
Low |
| 9am | 1.9 |
Low |
| 10am | 3 |
Moderate |
| 11am | 5 |
Moderate |
| 12pm | 5.3 |
Moderate |
| 1pm | 4.6 |
Moderate |
| 2pm | 4.2 |
Moderate |
| 3pm | 5 |
Moderate |
| 4pm | 3.3 |
Moderate |
| 5pm | 1.4 |
Low |
| 6pm | 0.6 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, April 21st in Cos Cob, CT 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 |
| 8am | 0.4 |
Low |
| 9am | 0.6 |
Low |
| 10am | 1.3 |
Low |
| 11am | 1.8 |
Low |
| 12pm | 3.9 |
Moderate |
| 1pm | 1.6 |
Low |
| 2pm | 0.8 |
Low |
| 3pm | 3.7 |
Moderate |
| 4pm | 2.7 |
Low |
| 5pm | 1 |
Low |
| 6pm | 0.4 |
Low |
| 7pm | 0.1 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, April 22nd in Cos Cob, CT 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 |
| 8am | 0.6 |
Low |