1.3 (Low)
Last Updated 12 minutes ago
The hourly Niwot, CO UV Index forecast for Friday, December 12th, 2025.
Last Updated 1 day ago
The UV index forecast for the next five days in Niwot, CO has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Niwot over the next five days will be 2.6 on Sunday, December 14th at 12:00 pm.
The UV index forecast for Friday, December 12th in Niwot, CO is below.
| Time | UV Index | Risk |
|---|---|---|
| 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 Saturday, December 13th in Niwot, CO 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 | 1.4 |
Low |
| 11am | 2.1 |
Low |
| 12pm | 2.4 |
Low |
| 1pm | 2.2 |
Low |
| 2pm | 1.5 |
Low |
| 3pm | 0.7 |
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 Sunday, December 14th in Niwot, CO 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 | 0.7 |
Low |
| 10am | 1.5 |
Low |
| 11am | 2.2 |
Low |
| 12pm | 2.6 |
Low |
| 1pm | 2.2 |
Low |
| 2pm | 1.5 |
Low |
| 3pm | 0.7 |
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 Monday, December 15th in Niwot, CO is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |