Harford County, MD: Current UV Index and Hourly Forecast

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As of 11:09 AM EDT on March 19, 2026, out of 16 cities in Harford County, MD in our database, 11 cities (69%) have a UV Index reading of Low, while 5 cities (31%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Pylesville, MD with a reading of 2.8.

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

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Current UV Index in Cities in Harford County, MD

• Aberdeen - 2.3
• Aberdeen Proving Ground - 2.3
• Abingdon - 2.3
• Bel Air - 2.3
• Bel Air North - 2.3
• Bel Air South - 2.3
• Darlington - 2.7
• Edgewood - 2.3
• Fallston - 2.6
• Havre de Grace - 2.3
• Jarrettsville - 2.6
• Joppatowne - 2.3
• Perryman - 2.3
• Pleasant Hills - 2.6
• Pylesville - 2.8
• Riverside - 2.3