UV Index Today in Ada County, Idaho (ID)
Friday, May 22, 2026 -12:39 PMMDT (GMT-6)
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The average maximum UV Index today across 10 locations in Ada County, Idaho (ID), is 8.1. The highest projected maximum is 8.3 in Robie Creek at 2:00 PM MDT, while the lowest projected maximum is 8 in Boise City at 2:00 PM MDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 8.3. The highest projected maximum is 8.5 in Robie Creek at 2:00 PM MDT, and the lowest projected maximum is 8.1 in Star at 2:00 PM MDT.
10 Places in Ada County, Idaho (ID)
Maximum UV Index Today