Calculates air density, relative humidity, and air pressure automatically. Displays geographic position, temperature, dewpoint, elevation, and barometric pressure. Supports airport and manual input modes.
by Optobyte AG★ 4.8184 ratingsWeatherFreeData updated 2026-09-08
Display current temperature, humidity, wind speed, direction, feels like, and pressure. Update data every 10 to 30 minutes. Set alarms with customizable settings. View large digital or analog faces. Choose from various themes and adjust settings.
View outdoor temperature, humidity, and current time. Receive automatic updates at regular intervals. Access real-time data for any location worldwide.
Calculate air properties from temperature and humidity
Calculate air properties using the IAPWS 1997 formulation. Determine wet bulb temperature from dry bulb and relative humidity. Find relative humidity from dry bulb and wet bulb temperatures.
Monitor current and historical air data with support for multiple units including bar, inHg, mmHg, Torr, kPa, and hPa. Track altitude changes using device sensors. View forecasts and analyze historical trends for past, present, and future data.
View current and upcoming with detailed forecasts including rain, snow, wind, and UV index. Track historical highs and lows. Use widgets and Apple Watch integration for quick updates.
Check current and forecasts for your city and global locations. View temperature, wind, and radar data. Receive alerts and track storms. Monitor local air quality.
Calculate by inputting temperature and humidity data. Select building layers from interior to exterior. Identify heat loss and humidity issues. schedule to monitor progress and track changes over time.
Access real-time data from NOAA, Wunderground, Openweather, and DarkSky. View four live forecasts, check radar maps for detailed conditions, and search by city name or GPS coordinates.
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Check current temperature and hourly forecast. View 7-day predictions. See chance of rain, UV Index, and Air Quality Index. Track wind speed, direction, dew point, and visibility. Monitor min, max, and feels-like temperatures.
Monitor air quality, temperature, and humidity in real time. View historical data in graph format for up to 7 days. Adjust settings and receive alerts through the .