As of 10:21 PM EDT on August 1, 2025, all 146 cities in Suffolk County, NY in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Suffolk County, NY is expected to be 8.7 in Shirley between 1:00 PM - 2:00 PM EDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |