UV Index Today in Ada County, Idaho (ID)
Sunday, September 20, 2026 -10:23 AM MDT (GMT-6)
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The average maximum UV Index today across 10 locations in Ada County, Idaho (ID), is 5.5. The highest projected maximum is 5.6 in Robie Creek at 2:00 PM MDT, while the lowest projected maximum is 5.4 in Meridian at 2:00 PM MDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 6. The highest projected maximum is 6.2 in Robie Creek at 2:00 PM MDT, and the lowest projected maximum is 5.7 in Meridian at 2:00 PM MDT.
10 Places in Ada County, Idaho (ID)
Maximum UV Index Today