Harford County, MD: Current UV Index and Hourly Forecast

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As of 4:34 PM EDT on April 28, 2026, all 16 cities in Harford County, MD in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Havre de Grace, MD with a reading of 0.4.

Over the next 24 hours, the highest UV Index reading in Harford County, MD is expected to be 4.9 in Havre de Grace between 12:00 PM - 1:00 PM EDT tomorrow.

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Current UV Index in Cities in Harford County, MD

• Aberdeen - 0.3
• Aberdeen Proving Ground - 0.3
• Abingdon - 0.3
• Bel Air - 0.3
• Bel Air North - 0.3
• Bel Air South - 0.3
• Darlington - 0.3
• Edgewood - 0.3
• Fallston - 0.3
• Havre de Grace - 0.4
• Jarrettsville - 0.3
• Joppatowne - 0.3
• Perryman - 0.3
• Pleasant Hills - 0.3
• Pylesville - 0.2
• Riverside - 0.3