UV Index
UV Index
Today's UV index in Port Washington, United States 
will be up to 7.6, indicating a 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: 2025-06-01
With Port Washington's UV index reaching 7.6, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
The UV index in Port Washington varies throughout the year, with higher values in summer months reaching around 7 to 8, indicating strong sun exposure, and lower values in winter, often around 1 to 2.
Port Washington experiences four distinct seasons: cold, snowy winters; warm, humid summers; and mild spring and fall seasons with moderate temperatures and varying rainfall. Snow is common in winter, while summers are often sunny with occasional thunderstorms.
Compared to the wider region of southeastern Wisconsin, Port Washington has similar weather patterns, but being near Lake Michigan often moderates temperatures. It is cooler in summer and warmer in winter than areas further inland. Neighboring states like Illinois and Michigan show comparable seasonal weather but less lake influence.
See the UV index hour by hour for Port Washington, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.