UV Index Today in Howard County, Maryland (MD)

The average maximum UV Index today across 22 locations in Howard County, Maryland (MD), is 10. The highest projected maximum is 10.1 in Eldersburg at 1:00 PM EDT, while the lowest projected maximum is 10 in Columbia at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 7.1. The highest projected maximum is 7.5 in Green Valley at 1:00 PM EDT, and the lowest projected maximum is 6.6 in Laurel at 1:00 PM EDT.