Xionia guide: weather, snow and travel tools
Find the tool you need for weather, snow or your next trip. Choose a category and open its map, directory or tool.
Forecasts for every place
Weather for cities, ski resorts and peaks
Search for a destination or choose a point on the world map to open its local forecast.
Greece and Cyprus weather
Browse cities, islands and mountain areas, with temperature, wind and forecast precipitation.
Weather in Europe
Map and search European cities, with a detailed forecast for each place.
Weather around the world
Explore the world map and open forecasts for cities and other destinations.
Greek island weather · Greek directory
Choose an island and place for temperature, wind, rain and the local forecast. The island directory is in Greek.
Forecast at a map location
Choose a map point or request your current location. View its name, elevation and available forecast.
Patagonia and Tierra del Fuego
Map and forecasts for cities and mountain destinations in southern Argentina and Chile.
Polar regions and cold-weather records
Explore cold destinations and their local forecasts and regional information.
Weather indicators and fire-weather index
Forecast pages show indicators for precipitation, snow, wind, heat and frost, plus the available fire-weather index. These are model indicators, not official warnings.
Weather now, webcams and satellites
Weather now · nowcasting
Find weather stations, cameras, satellite imagery and radar together for current-weather monitoring.
Agios Stefanos live station · Greek page
Temperature, wind, rainfall, humidity, pressure, daily charts and a live camera in northern Attica. This station page is in Greek.
Northern Athens and Attica webcams
Open available cameras and check the image or live-stream timestamp.
Station camera timelapses
Watch the day develop through the available daily camera recordings.
Greece, Europe and world satellite imagery
Change region and channel, animate cloud imagery and open the interactive map.
Rain radar
View available rain-radar imagery and its update time.
Lightning and thunderstorms
View available lightning detections and follow electrical activity over time.
Weather stations
Worldwide station map and history
Find a station, select an observation and sorting order, and open available charts and history. Coverage differs by country and source.
Greece and Cyprus stations
Compare available observations on the map and in the table, with each station’s update time.
European weather stations
Explore European networks and follow the country directories for more stations.
Alpine weather stations
View observations across the Alps and local forecast links where locations are matched.
Northern Attica stations
Follow the weather in neighbouring areas of northern Attica.
Maps, models and forecast charts
Weather forecast maps
Explore how the weather develops by region, variable, model and forecast time.
Models, meteograms and ensembles
Compare available models and explore temperature and precipitation over the coming days.
Interactive meteogram
Explore hourly temperature, wind and precipitation. Select models and inspect the chart values.
Interactive ensembles
Inspect available temperature and precipitation forecast members and how widely they differ.
Ensemble and meteogram images by city
Open the city directory and available GFS, ECMWF, ICON, UKMO and other model images, with their run times.
Weather history and forecast verification
Agios Stefanos station archive since 2008
Browse monthly and yearly reports, rainfall and station records.
Agios Stefanos: historic snowfalls
Explore historic snowfalls in Agios Stefanos and Attica, with local accounts and temperature measurements from the Agios Stefanos station.
Forecast verification against observations
Compare issued forecasts with recorded observations and check the period, variable and sample size.
Ensemble backtesting and 850 hPa soundings
Explore ensemble verification, errors and the Athens/Hellinikon sounding reference at 850 hPa.
Snow, ski resorts and lift passes
World Snow Tracker
Explore snowfall forecasts and snow reports. Forecast amounts and measured snow depth are shown separately.
Snow Atlas · ski resorts and lift passes
Find ski and snowboard resorts, snow forecasts, piste maps and available lift-pass price comparisons. Check the season and conditions attached to each price.
Compare ski-pass prices
Sort available adult day-ticket prices and choose a common currency and season. Each resort page gives age bands, periods and other published ticket options.
Pistes, maps and choosing a ski resort
Compare resort information and open each area’s piste map. View documented difficulty categories and ski/snowboard information where available.
Snowfall forecasts by location
Explore temperatures and expected snowfall by location. Forecast snowfall and snow depth are different quantities.
Mountains, villages, passes and ice
Mountains and peaks
Find a mountain or summit and view the forecast for its location and elevation.
Mountain villages of Greece
Discover places for mountain trips, with a map, elevation and local weather forecast.
Mountain passes and routes
Explore passes in Greece, the Alps, the Pyrenees and beyond, with elevation, weather forecasts and available access information.
Glaciers · map and history
Explore glaciers, available forecasts and historical information by region.
Snowtrips and route planning
Snowtrips · villages and ski holidays
Explore mountain destinations and nearby ski resorts for your next snow trip.
Ready-made ski road trips and your own journey
Choose a ready-made route or combine ski resorts and stops. View the map, weather and available cost and access information.
Build your own route
Add stops in the planner, choose a name and explore available forecasts for each location.
Earthquakes and natural phenomena
Northern lights · Aurora borealis forecast
Explore the northern lights map and forecast. Compare Kp, cloud cover and darkness to assess viewing conditions.
Natural phenomena · all tools
Find earthquake, volcano and tropical or Mediterranean cyclone tools.
Earthquakes in Greece and historical events
View available earthquake events on the map and explore their history.
Worldwide earthquake and volcano map
Explore earthquakes, volcanoes and available eruption information by region.
Hurricanes, typhoons and medicanes
Follow available storm-system information and open the cited official sources.
Favourites, widgets and more
My XIONIA · favourites and trips
Organise favourite places, resorts and saved routes. View seven-day forecasts and sync your library by signing in with Google.
Weather widgets for your website
Configure and embed a seven-day forecast, meteogram, ensemble or satellite view. Choose the location, language and appearance.
Search across Xionia
Find pages and locations, and use destination search for places beyond the catalogue.
Snowball game
Take a break with the interactive snowball game.
Check update times, validity periods and sources on the page you open. Forecasts, observations and ticket prices describe different kinds of information.