0 (Low)
Last Updated 12 minutes ago
The hourly New Canaan, CT UV Index forecast for Thursday, December 18th, 2025.
Last Updated 4 hours ago
The UV index forecast for the next five days in New Canaan, CT has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in New Canaan over the next five days will be 1.6 on Thursday, December 18th at 12:00 pm.
The UV index forecast for Thursday, December 18th in New Canaan, CT is below.
| Time | UV Index | Risk |
|---|---|---|
| 6pm | 0 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, December 19th in New Canaan, 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 |
Low |
| 8am | 0 |
Low |
| 9am | 0 |
Low |
| 10am | 0.2 |
Low |
| 11am | 0.2 |
Low |
| 12pm | 0.3 |
Low |
| 1pm | 0.4 |
Low |
| 2pm | 0.5 |
Low |
| 3pm | 0.3 |
Low |
| 4pm | 0 |
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 Saturday, December 20th in New Canaan, 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 |
Low |
| 8am | 0.1 |
Low |
| 9am | 0.4 |
Low |
| 10am | 0.9 |
Low |
| 11am | 1.3 |
Low |
| 12pm | 1.4 |
Low |
| 1pm | 1.2 |
Low |
| 2pm | 0.7 |
Low |
| 3pm | 0.3 |
Low |
| 4pm | 0 |
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, December 21st in New Canaan, 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 |
Low |
| 8am | 0.1 |
Low |
| 9am | 0.5 |
Low |
| 10am | 1 |
Low |
| 11am | 1.4 |
Low |
| 12pm | 1.5 |
Low |
| 1pm | 1.3 |
Low |
| 2pm | 0.8 |
Low |
| 3pm | 0.4 |
Low |
| 4pm | 0 |
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, December 22nd in New Canaan, 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 |
Low |