HEAT INDEX

It’s not just the temperature.
It’s how it feels.

Humidity can make hot weather feel much hotter. Heat index helps describe that added stress on the body and can be more useful than air temperature alone when planning outdoor time.

Why heat index matters

When humidity is high, sweat evaporates less efficiently, so your body has a harder time cooling itself. That is why the feels-like temperature can climb well above the actual air temperature.

Plan around the hottest hours

For yard work, exercise, deliveries, sports, theme-park days, and other outdoor activity, compare the hourly forecast and choose a cooler window when possible. WeatherOnCue’s outdoor-work guidance is designed to make that timing easier to spot.

Heat safety basics

Hydrate regularly, take shade or air-conditioning breaks, wear lightweight clothing, and pay attention to official heat advisories and warnings. Heat risk can build even when skies look calm.

Florida heat can vary by city

Humidity, cloud cover, wind, and storm timing can change the feels-like temperature from one place to another. Compare Orlando, Miami, Tampa, and Jacksonville forecasts before long outdoor plans.

Use heat guidance with the rest of the forecast

Heat index is only one part of the picture. Lightning, rain, wind, and severe-weather alerts can matter just as much when deciding whether to work, exercise, travel, or stay outside.

Check your local hourly forecast →

See severe weather guidance →

Open the radar guide →