St. Lawrence County, NY: Current UV Index and Hourly Forecast

As of 7:21 AM EDT on July 19, 2025, all 11 cities in St. Lawrence County, NY in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Ogdensburg, NY with a reading of 0.4.

Over the next 24 hours, the highest UV Index reading in St. Lawrence County, NY is expected to be 8.5 in Cranberry Lake between 1:00 PM - 2:00 PM EDT today.

Search Cities in St. Lawrence County, NY

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in St. Lawrence County, NY as of 7:21 AM EDT, July 19, 2025

Current UV Index in Cities in St. Lawrence County, NY

7:21 AM EDT, July 19, 2025