On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Grafton, Jersey County, Illinois (IL). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.
(Updated 26 minutes ago.)
As of 3:26 PM CST, the UV Index in Grafton, IL is 0.1 (Low).
The UV Index is expected to fall
to 0 (still Low) between 4:00 PM - 5:00 PM CST today.
UV Index Data sourced from the NOAA.
As of 3:26 PM CST on Monday, November 4, 2024, the UV index in Grafton, IL is at a low level of 0.1. At this time of the evening, the sun is about to set and there is very low exposure to UV radiation. The UV Index will drop to 0 at 4:00 PM and stay at 0 through the early morning hours until around 8:00 AM tomorrow.
As the day progresses tomorrow (November 5, 2024), the UV Index will rise to 0.1 between 8:00 AM - 9:00 AM, still considered low. The UV Index will stay low all day, peaking between 1:00 PM and 2:00 PM with a reading of 1.6.
After reaching its peak for the day, the UV Index will gradually decline through the afternoon and evening. The UV Index will return to low levels of 1 at 2:00 PM. As the day transitions into the night, the UV Index will drop back down to 0 at 5:00 PM.
| Time Range | UV Index | Risk |
|---|---|---|
| 7:00 AM - 12:00 AM (CST) | 0 - 0.7 | Low |
| Time Range | UV Index | Risk |
|---|---|---|
| 12:00 AM - 12:00 AM (CST) | 0 - 1.6 | Low |
| Time | UV Index | Risk |
|---|---|---|
| 3:00 PM - 4:00 PM (Now, CST) | 0.1 | Low |
| 4:00 PM - 5:00 PM | 0 | Low |
| 5:00 PM - 6:00 PM | 0 | Low |
| 6:00 PM - 7:00 PM | 0 | Low |
| 7:00 PM - 8:00 PM | 0 | Low |
| 8:00 PM - 9:00 PM | 0 | Low |
| 9:00 PM - 10:00 PM | 0 | Low |
| 10:00 PM - 11:00 PM | 0 | Low |
| 11:00 PM - 12:00 AM | 0 | Low |