Temperature tells you what to wear. Dew point tells you how you'll feel.
Enter any location to see your real comfort forecast.
Most people check the temperature to decide how comfortable it will be outside. But temperature alone is misleading. A 90°F day with a dew point of 45°F feels pleasantly warm and dry. A 90°F day with a dew point of 72°F feels suffocating — the kind of heat that drains you within minutes.
The dew point is the temperature at which air becomes saturated and moisture begins to condense. When it's high, the air is already holding so much water vapor that your sweat cannot evaporate efficiently. That's your body's primary cooling mechanism — and when it fails, you feel miserable regardless of what the thermometer says.
Relative humidity is widely misunderstood because it's relative — a 50% humidity reading means something very different at 40°F than at 90°F. Dew point is absolute. A dew point of 65°F feels the same whether it's 70°F or 95°F outside. That's why meteorologists consider it the single most reliable measure of atmospheric moisture and human comfort.
| Dew Point | Comfort Level | What It Feels Like |
|---|---|---|
| Below 35°F | Dry | Air feels dry. Skin and sinuses may feel parched. |
| 35–54°F | Comfortable | Ideal conditions. Most people feel great outdoors. |
| 55–64°F | Humid | Noticeable moisture. Sweat evaporates more slowly. |
| 65–69°F | Sticky | Uncomfortable for most. Exercise feels significantly harder. |
| 70°F and above | Oppressive | Dangerous for extended outdoor exertion. Heat-related illness risk rises sharply. |
Most weather apps lead with temperature and relative humidity. But relative humidity is misleading — it changes with temperature throughout the day even when the actual moisture in the air doesn't. Dew point is absolute. It tells you exactly how much water vapor the air contains, and that's what determines how your body feels outside.
This site was built to put dew point front and center, with plain-English explanations that help anyone — not just meteorologists — understand what it means for their day.
The comfort classifications used on this site are based on established meteorological standards from the National Weather Service (NWS) and are consistent with scales used by professional meteorologists and weather services worldwide.
The physiological basis: as dew point rises above 55°F, sweat evaporation becomes measurably impaired — your body's primary cooling mechanism. Above 70°F, heat-related illness risk rises regardless of air temperature.
🌐 National Weather ServiceForecast data is sourced from Open-Meteo, a free and open-source weather API that aggregates data from national weather services including NOAA, ECMWF, and others. Forecasts are updated hourly.
Location search is powered by the Open-Meteo Geocoding API, which supports city names, regions, and postal codes worldwide.
Rick Partyka built this site out of a genuine belief that dew point is one of the most underappreciated pieces of weather information available — and that most people deserve a clearer way to understand the air around them.
Have feedback or ideas? The goal is to make this the most useful dew point resource available. This is version one.