UV Index

High

Today's UV index is high. If working or spending time outdoors, wear UV protective clothing, use sunscreen, and try to avoid direct sun exposure between 11 AM and 4 PM.

TodayTomorrow
ExtremeVery highHighModerateLow
LowModerateHigh

Hourly UV and cloud cover

UV index is unitless. Cloud cover is shown as a percentage.

Peak UV 7
HourUV indexCloud cover
130%
125%
222%
425%
527%
730%
637%
544%
550%
359%
266%
176%
076%
076%
074%
073%
UV index today in St. Louis, MO | Fit Check - Weather