The chart below, which is basically the same chart, shows how much water vapor is in the air at various dew points. The dew point is in reality a temperature. So if the dew point is 68F, you have ...

Once the dew point approaches the mid 60s and especially the 70s, that’s when the humidity really becomes noticeable. The 50s and lower have a much more refreshing feel.

A dew point greater than 65 signals there is a lot of moisture in the air, ... Here's a chart and formula you can bookmark to determine the heat index in your city.

Dew point is also a good way to figure out how it is going to feel outside. “If you look at dew points frequently enough, you start to understand what 60 degree dew points feel like.

When the air temperature and dew point temperature are equal, we have 100 percent relative humidity. This simply means the air is fully saturated with water vapor.

Dew point is the temperature at which air becomes fully saturated with moisture. In simple terms, when the air cools to its dew point, water vapor turns into liquid, forming dew, fog, or clouds.

However, the term dew point is often misconstrued as a metric similar to temperature since they’re both measured in degrees Fahrenheit, Sellers said. Skip to Main Content Skip to footer.