Howard County, MD: Current UV Index and Hourly Forecast

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As of 9:59 AM EDT on March 15, 2026, all 10 cities in Howard County, MD in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Columbia, MD with a reading of 0.8.

Over the next 24 hours, the highest UV Index reading in Howard County, MD is expected to be 4.3 in Columbia between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Howard County, MD

• Columbia - 0.8
• Elkridge - 0.8
• Ellicott City - 0.8
• Fulton - 0.8
• Highland - 0.8
• Ilchester - 0.8
• Lisbon - 0.8
• North Laurel - 0.8
• Savage - 0.8
• Scaggsville - 0.8