Grafton, IL: Current UV Index and Hourly Forecast

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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.

UV Index Data sourced from the NOAA.

As of 9:12 AM CST today in Grafton, IL, the UV Index is currently at a low level of 0.7. However, as the day progresses, the UV index is expected to rise.

The UV Index will stay low all day, peaking between 12:00 PM and 1:00 PM with a reading of 2.4.

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 2.1 at 1:00 PM. As the day transitions into the night, the UV Index will drop back down to 0 at 5:00 PM.

Summary of Hourly UV Index Forecast for Today and Tomorrow in Grafton, IL

Current UV Index in Nearby Cities

• Elsah, IL - 0.7
• Otterville, IL - 0.7
• Portage Des Sioux, MO - 0.7
• Brussels, IL - 0.7
• Fieldon, IL - 0.7
• Jerseyville, IL - 0.7
• Godfrey, IL - 0.7
• Old Jamestown, MO - 0.7
• Hazelwood, MO - 0.7
• Batchtown, IL - 0.6
• Florissant, MO - 0.7
• St. Charles, MO - 0.7
• West Alton, MO - 0.7
• Bridgeton, MO - 0.7
• Black Jack, MO - 0.7
• Kane, IL - 0.6
• Alton, IL - 0.7
• Calverton Park, MO - 0.7
• Brighton, IL - 0.7
• Champ, MO - 0.7