UV Index Today in St. Johns County, Florida (FL)
Tuesday, April 7, 2026 - 4:48 AM EDT (GMT-4)
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The average maximum UV Index today across 18 locations in St. Johns County, Florida (FL), is 1.1. The highest projected maximum is 1.7 in Jacksonville at 1:00 PM EDT, while the lowest projected maximum is 0.8 in Palm Coast at 2:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 3. The highest projected maximum is 6.8 in Palm Coast at 12:00 PM EDT, and the lowest projected maximum is 1.6 in Fruit Cove at 10:00 AM EDT.
18 Places in St. Johns County, Florida (FL)
Maximum UV Index Today