St. Johns County, FL: Current UV Index and Hourly Forecast

As of 11:25 AM EDT on August 9, 2025, out of 13 cities in St. Johns County, FL in our database, 11 cities (85%) have a UV Index reading of High, while 2 cities (15%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is St. Augustine Shores, FL with a reading of 7.2.

Over the next 24 hours, the highest UV Index reading in St. Johns County, FL is expected to be 11.5 in St. Augustine Shores between 1:00 PM - 2:00 PM EDT today.

Search Cities in St. Johns County, FL

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in St. Johns County, FL as of 11:25 AM EDT, August 9, 2025

Current UV Index in Cities in St. Johns County, FL

11:25 AM EDT, August 9, 2025