Harford County, MD: Current UV Index and Hourly Forecast

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As of 2:53 PM EDT on September 8, 2026, all 16 cities in Harford County, MD in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Pylesville, MD with a reading of 6.6.

Over the next 24 hours, the highest UV Index reading in Harford County, MD is expected to be 7.6 in Bel Air South between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Harford County, MD

• Aberdeen - 6.5
• Aberdeen Proving Ground - 6.5
• Abingdon - 6.5
• Bel Air - 6.5
• Bel Air North - 6.5
• Bel Air South - 6.5
• Darlington - 6.4
• Edgewood - 6.5
• Fallston - 6.5
• Havre de Grace - 6.5
• Jarrettsville - 6.5
• Joppatowne - 6.5
• Perryman - 6.5
• Pleasant Hills - 6.5
• Pylesville - 6.6
• Riverside - 6.5