UV Index Today in Howard County, Maryland (MD)
Tuesday, October 13, 2026 -5:26 PM EDT (GMT-4)
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The average maximum UV Index today across 22 locations in Howard County, Maryland (MD), is 5. The highest projected maximum is 5 in Columbia at 1:00 PM EDT, while the lowest projected maximum is 5 in Columbia at 1:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 5.4. The highest projected maximum is 5.5 in Eldersburg at 1:00 PM EDT, and the lowest projected maximum is 5.4 in Columbia at 1:00 PM EDT.
22 Places in Howard County, Maryland (MD)
Maximum UV Index Today