Sullivan County, NY: Current UV Index and Hourly Forecast

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As of 3:42 PM EDT on August 23, 2026, out of 29 cities in Sullivan County, NY in our database, 25 cities (86%) have a UV Index reading of Moderate, while 4 cities (14%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Livingston Manor, NY with a reading of 5.4.

Over the next 24 hours, the highest UV Index reading in Sullivan County, NY is expected to be 7 in Monticello between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Sullivan County, NY

• Barryville - 5.4
• Bloomingburg - 2.2
• Bridgeville - 4.6
• Eldred - 5.4
• Fallsburg - 2.6
• Grahamsville - 2.6
• Hankins - 5.3
• Hortonville - 5.3
• Hurleyville - 4.6
• Jeffersonville - 5.3
• Kauneonga Lake - 4.6
• Kiamesha Lake - 4.6
• Lake Huntington - 5.3
• Livingston Manor - 5.4
• Loch Sheldrake - 4.6
• Mongaup Valley - 4.6
• Monticello - 4.6
• Mountain Dale - 2.6
• Narrowsburg - 5.4
• Rock Hill - 2.2
• Roscoe - 5.4
• Smallwood - 4.6
• South Fallsburg - 4.6
• Swan Lake - 4.6
• White Lake - 4.6
• Woodbourne - 2.6
• Woodridge - 2.6
• Wurtsboro - 2.2
• Wurtsboro Hills - 2.2