Sayville UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index8.2
- Avg Clouds97%
- Max Temp23.7 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Sayville, United States 
will reach a high of 8.2 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-01
Hourly Forecast Chart
Today's Safety Tips
The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.
Sayville's UV Index
Sayville, United States, usually has a UV index that varies from low to high depending on the season, with higher levels in summer when the sun is strongest.
Weather Seasons
The weather in Sayville changes with the seasons. Summers are warm and sometimes humid, while winters are cold and can bring snow. Spring and fall have mild temperatures and are often pleasant.
Sayville's Climate
Compared to nearby areas in the Northeastern U.S., Sayville's weather is similar, with coastal influences making it a bit milder in winter than inland places. It’s generally cooler and less humid than southern states.
Hourly UV Index Trend
See the UV index hour by hour for Sayville. When the level is high, it's smart to find some shade.
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