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 29 minutes ago.)
As of 9:29 PM
CST, the UV Index in Grafton, IL is 0 (Low).
The UV Index is expected to rise to 0.1 between 8:00 AM - 9:00 AM
CST
tomorrow.
UV Index Data sourced from the NOAA.
As of 9:29 PM CST on Saturday, December 21, 2024, the UV index in Grafton, IL is at a low level of 0. At this time of the night, the sun has already set and there is no exposure to UV radiation. The UV Index will remain at 0 through the early morning hours until around 8:00 AM tomorrow.
As the day progresses tomorrow (December 22, 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 12:00 PM and 1:00 PM with a reading of 2.
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 1.8 at 1:00 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 - 1.9 | Low |
| Time Range | UV Index | Risk |
|---|---|---|
| 12:00 AM - 12:00 AM (CST) | 0 - 2 | Low |
| Time | UV Index | Risk |
|---|---|---|
| 9:00 PM - 10:00 PM (Now, CST) | 0 | Low |
| 10:00 PM - 11:00 PM | 0 | Low |
| 11:00 PM - 12:00 AM | 0 | Low |