A little clarity before you head out

Make sense of your UV forecast.

Practical guides to the UV index, checking forecasts on iPhone, and understanding what a sun-planning app can and cannot do.

Start with the essentials

Understand the UV index, how it differs from temperature, and how to read a forecast before spending time outdoors.

Find the UV index in Apple Weather, check you have the right location, and decide whether you need a separate UV or tanning timer app.