Data & Converters
World Weather & Climate Now
Live current temperature, humidity, wind and conditions for any city, updated continuously from global weather models.
London — current conditions
11°C
Moderate drizzle · feels like 11°C
93%
Humidity
14
Wind km/h
53
WMO code
Live data from Open-Meteo. Temperature in Celsius; convert to Fahrenheit by multiplying by 9/5 and adding 32.
Why live weather matters for travellers
Knowing the current weather at a destination shapes almost every travel decision: what to pack, when to leave, whether to book an indoor backup. A live weather tool that reads from global models gives you a reading that is minutes old rather than a static average, which is the difference between packing a raincoat and getting soaked.
Climate averages tell you what to expect in a season; live weather tells you what is happening right now. Both have a place in planning — averages for choosing when to go, live data for the day you arrive.
How current weather data is produced
Weather observations come from a blend of surface stations, satellites, weather balloons, radar and aircraft reports. These feed numerical weather prediction models run by national services — the US GFS, the European ECMWF model, and others. Open-Meteo aggregates and serves model output through a free API.
Models assimilate observations every few hours and produce a best-estimate of the current atmospheric state (the 'analysis'), which is what 'current conditions' reports draw on. This is why conditions can update even between observations: the model fills gaps intelligently.
Temperature, humidity and wind: reading the trio
Temperature alone can mislead. A humid 30°C feels far hotter than a dry 30°C because the body cannot cool itself by evaporation; this is why heat-index and apparent-temperature measures exist. Wind, similarly, makes cold feel colder (wind chill). The trio of temperature, humidity and wind together describes how weather actually feels to a person.
Wind speed in this tool is reported in km/h, the WMO standard. Gusts can be substantially higher than the average wind speed shown, especially in storms and near coastlines.
Weather codes and plain-English conditions
Rather than a free-text condition string, meteorological services use numeric weather codes defined by the WMO. Each code maps to a specific phenomenon — 0 is clear sky, 61 is slight rain, 95 is a thunderstorm. Using codes keeps data consistent across languages and systems, and lets this tool display a reliable description anywhere in the world.
If a code you see is not in our map, it usually represents an unusual phenomenon (freezing drizzle, for example). The raw code is always displayed alongside so you can look it up.
Climate versus weather
Weather is the short-term state of the atmosphere; climate is the long-term average. A city might have a rainy climate but a sunny week, or a hot climate but a cool day. Travellers conflate the two at their peril — booking a 'sunny' destination during its rainy season because the climate description says 'sunny'.
Use climate averages to pick the season, then check live weather in the final days before travel to fine-tune your packing and daily plans. Both perspectives together produce the best-prepared trip.
Accuracy and limitations
Model-derived current conditions are highly accurate for temperature at most populated locations, but can lag reality in rapidly changing situations — a thunderstorm building, a sea breeze shifting. Radar and satellite imagery, which this tool does not show, give a better picture of fast-moving precipitation.
For critical decisions — aviation, severe-weather safety — always consult an official national weather service warning. This tool is a convenient traveller's view, not an authoritative safety source. Treat severe-weather codes (95–99) as a prompt to check a detailed forecast immediately.
Frequently Asked Questions
Where does the weather data come from?
Current conditions come from Open-Meteo, a free weather API that aggregates output from national weather services (including NOAA's GFS and European models). It updates multiple times per day.
How current is the data?
Open-Meteo reports the most recent available observation from its underlying models, typically within the last hour. There can be a short delay between observation and publication.
Why is the temperature in Celsius?
Celsius is the global standard for meteorology. To convert to Fahrenheit, multiply by 9/5 and add 32. A separate measurement converter tool can do this instantly.
What is a WMO weather code?
The World Meteorological Organization defines numeric weather codes (0 for clear sky, 3 for overcast, 95 for thunderstorm, and so on). This tool maps each code to a plain-English description.
Can I get a forecast, not just current weather?
This tool focuses on live current conditions. For multi-day forecasts, the same underlying Open-Meteo API powers many forecast services, and we may add a forecast view in future.
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