UV Index
UV Index
Today's UV index in Arlington, United States 
will be up to 9.7, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-13
With a UV index of 9.7 in Arlington, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in Arlington, United States, generally ranges from moderate to high during summer months, often reaching between 6 and 8. In winter, it lowers to around 1 or 2, reflecting weaker sun exposure.
Arlington experiences four distinct seasons: warm, humid summers with occasional thunderstorms; mild springs and autumns with moderate temperatures; and cold winters that sometimes bring snow and frost. Rainfall is spread fairly evenly throughout the year.
Compared to other parts of the United States, Arlington's climate is moderate. It is warmer and more humid than northern states like Minnesota but cooler and less tropical than southern states like Florida. Its weather is similar to nearby Washington, D.C., and Maryland.
See the UV index hour by hour for Arlington, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.