
Weather Fusion
Connect your weather station on iPhone, iPad, and Mac.
Monitor current conditions, review historical data, and manage your personal weather stations. Connect through Davis WeatherLink, Netatmo, Ecowitt Cloud, AmbientWeather.net, Weather Underground, WiFiLogger, and Windy.
Real Time
See current conditions at a glance, with measurements, cards, and charts that bring your station data together.

Historical
Follow recent changes in the Last 24h view, then compare daily, weekly, monthly, or yearly history.

Map
Explore nearby and public weather stations, compare current conditions, and open detailed station information.

Observation Data
Go beyond charts with detailed observations, summaries, records, and tools for copying or exporting data.

Supported measurements
Available measurements depend on the station, installed sensors, and connection service.
Temperature
Air temperature, Indoor temperature, Apparent temperature, Feels-like temperature, Heat index, Wind chill, Wet-bulb temperature, Black-globe temperature, Wet-bulb globe temperature (WBGT), Dew point
Humidity
Humidity, Indoor humidity, Vapor pressure deficit
Rain and evapotranspiration
Rain rate, Rain accumulation, Evapotranspiration, Short-crop reference evapotranspiration, Tall-crop reference evapotranspiration, Growing degree days, Storm start time, Last-rain time
Lightning
Lightning strikes, Last strike time, Strike distance, Lightning activity
Wind
Wind speed, Gust, Direction, Gust direction, Wind run, Directional variability, Wind roses
Pressure
Station pressure, Sea-level pressure, Pressure trend, 3-hour pressure change
Sun and sky
Solar irradiance, UV index, Sun and moon data
Air quality and indoor environment
AQI, PM1, PM2.5, PM10, CO2, Noise
Soil and plants
Soil moisture, Soil temperature, Soil salinity, Soil water tension, Soil permittivity, Water potential, Leaf temperature, Leaf wetness, Leaf-wetness duration
Features
- Connect and switch between supported personal weather stations
- Review current conditions in Real Time
- Compare Last 24h, day, week, month, and year periods in Historical
- Inspect, copy, and export stored observations
- Find and follow public stations on the Map
- Organize sensors and choose visible measurements
- Choose measurement units, the Standard or Scientific palette, and light or dark appearance
- Configure Weather Fusion widgets on supported devices
- Back up and restore station data, and sync settings with iCloud
- Share Real Time and Historical dashboards as images
Supported Weather Stations
- Davis InstrumentsVantage Vue, Vantage Pro2, Vantage Pro2 Plus, AirLink, and EnviroMonitor
- NetatmoSmart Home Weather Station, Weather Station ORIGINAL, Smart Rain Gauge, and Smart Anemometer
- EcowittWittboy kits, GW gateways, HP and WS consoles, and WH and WN sensors
- Ambient WeatherWS-2902, WS-2000, WS-4000, WS-5000, and WS-1965
- AcuRiteAtlas, Optimus, Iris, and Notos
- KestrelKestrelMet 6000
- Other compatible stationsStations available through Weather Underground or Windy