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

As of 3:34 PM EDT on July 15, 2025, out of 11 cities in St. Lawrence County, NY in our database, 10 cities (91%) have a UV Index reading of High, while 1 city (9%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Star Lake, NY with a reading of 6.7.

Over the next 24 hours, the highest UV Index reading in St. Lawrence County, NY is expected to be 9.2 in Cranberry Lake between 1:00 PM - 2:00 PM EDT tomorrow.

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 3:34 PM EDT, July 15, 2025

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

3:34 PM EDT, July 15, 2025