4.8 (Moderate)
Last Updated 49 minutes ago
The hourly Castle Rock, CO UV Index forecast for Friday, April 18th, 2025.
Last Updated 51 minutes ago
The UV index forecast for the next five days in Castle Rock, CO has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Castle Rock over the next five days will be 8.9 on Monday, April 21st at 1:00 pm.
The UV index forecast for Friday, April 18th in Castle Rock, CO is below.
| Time | UV Index | Risk |
|---|---|---|
| 1pm | 4 |
Moderate |
| 2pm | 2.3 |
Low |
| 3pm | 2.8 |
Low |
| 4pm | 2.1 |
Low |
| 5pm | 1 |
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 Castle Rock, 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 | 0.2 |
Low |
| 8am | 0.8 |
Low |
| 9am | 1.9 |
Low |
| 10am | 3.6 |
Moderate |
| 11am | 4.4 |
Moderate |
| 12pm | 5 |
Moderate |
| 1pm | 4.6 |
Moderate |
| 2pm | 5.3 |
Moderate |
| 3pm | 3.9 |
Moderate |
| 4pm | 2.2 |
Low |
| 5pm | 1.3 |
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 Sunday, April 20th in Castle Rock, 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 | 0.2 |
Low |
| 8am | 0.8 |
Low |
| 9am | 2.2 |
Low |
| 10am | 4.1 |
Moderate |
| 11am | 6.2 |
High |
| 12pm | 7.8 |
High |
| 1pm | 8.4 |
Very High |
| 2pm | 7.5 |
High |
| 3pm | 4.4 |
Moderate |
| 4pm | 2.9 |
Low |
| 5pm | 1.3 |
Low |
| 6pm | 0.6 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, April 21st in Castle Rock, 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 | 0.2 |
Low |
| 8am | 0.8 |
Low |
| 9am | 2.2 |
Low |
| 10am | 4.2 |
Moderate |
| 11am | 6.4 |
High |
| 12pm | 8.2 |
Very High |
| 1pm | 8.9 |
Very High |
| 2pm | 8.3 |
Very High |
| 3pm | 6.5 |
High |
| 4pm | 4.2 |
Moderate |
| 5pm | 1.9 |
Low |
| 6pm | 0.8 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Tuesday, April 22nd in Castle Rock, 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 |