Free aviation weather tools for pilots and ATPL students.
Use these pages when you need a quick answer before a flight, lesson, or study block. Decode the current report, compare several airports, or check runway wind without digging through the full app.
Useful next pages
Live METAR & TAF Decoder
Pull one airport or compare up to four on the same page, with runway wind alignment layered on top.
Open pageAirport METAR & TAF Directory
Live, decoded weather pages for the world's busiest airports, pick a field for its METAR, TAF, and best runway for the wind.
Open pageWind Component Calculator
Work out headwind, tailwind, crosswind, and the gust case from a runway heading in seconds.
Open pageISA Deviation Calculator
Standard temperature for any pressure altitude and the ISA+/ISA- deviation that drives performance.
Open pagePressure Altitude Calculator
Turn field altitude and QNH into pressure altitude with the standard 30 ft/hPa altimetry rule.
Open pageDensity Altitude Calculator
See the altitude the aircraft really feels on a hot or high day using the 120 ft/°C rule.
Open pageTrue Airspeed (TAS) Calculator
Convert CAS or IAS to true airspeed from pressure altitude and temperature, with Mach alongside.
Open pageMach Number Calculator
Convert between TAS and Mach using the local speed of sound from temperature or ISA altitude.
Open pageAviation Unit Converter
Distance, altitude, speed, mass, volume, pressure, temperature, and fuel volume ↔ mass in one place.
Open pageMETAR Decoder Guide
A plain-language reading order for pilots who want to stop treating METARs like a code wall.
Open pageTAF Decoder Guide
Learn what to check first in the forecast and how to read the change groups without losing the thread.
Open pageNOTAM Decoder Guide
A practical way to read operational notices faster and separate the critical item from the background noise.
Open pageSNOWTAM Decoder Guide
A clear explanation of runway condition reporting and how to read SNOWTAM updates without guessing.
Open pageIf you are also preparing for the EASA ATPL, SkyStudy turns the same weather language into practice questions, revision structure, and exam-readiness workflows across the full syllabus.
Decode the weather in seconds
Decode the weather in seconds
Type an airport code and read the current METAR and TAF in plain language, with no code to crack. Comparing destinations or picking an alternate? Pull up to four airports side by side on one page.
Each tool answers one practical question, so you get the reading or the number you need and get straight back to your flight or your study block.
Tools when time is short, guides when you want the why
Tools when time is short, guides when you want the why
When you have a code and need the picture now, start with the live METAR and TAF decoder or the wind component calculator. They give you the answer right away.
When you want to understand the pattern behind that answer, open the guide pages. They walk you through how to read each report so the next one takes you half the time.
How this sharpens your ATPL
How this sharpens your ATPL
The language in METARs, TAFs, NOTAMs, and SNOWTAMs is exactly what Meteorology, Flight Planning, and Operational Procedures ask you about. Every real report you decode here is rehearsal for the exam and for the line.
When you want to study it properly, SkyStudy turns the same weather language into practice questions, spaced repetition, and timed mock exams across every ATPL subject.
Common questions
Tap to read the full answers.
Common questions
Tap to read the full answers.- What live weather tools does SkyStudy publish?
- SkyStudy publishes a free METAR and TAF decoder with airport compare, a suite of free flight-planning calculators (wind component, ISA deviation, pressure and density altitude, true airspeed, Mach, and a unit converter), and plain-language weather guides on skystudyatpl.com.
- Are these pages only for ATPL students?
- No. They are useful for any pilot or student who wants a quicker way to decode the language of operational weather, even before they touch the full study platform.
- How do these tools help my ATPL study?
- The same weather language you decode here is exactly what ATPL Meteorology, Flight Planning, and Operational Procedures test. Reading real reports builds the fluency the exam expects, and SkyStudy turns it into structured practice when you are ready.
Popular airport weather
Jump to a live, decoded METAR and TAF for a busy airport.
Popular airport weather
Jump to a live, decoded METAR and TAF for a busy airport.KATL · ATL
Atlanta METAR & TAF
OMDB · DXB
Dubai METAR & TAF
KDFW · DFW
Dallas–Fort Worth METAR & TAF
EGLL · LHR
London METAR & TAF
RJTT · HND
Tokyo METAR & TAF
KDEN · DEN
Denver METAR & TAF
LTFM · IST
Istanbul METAR & TAF
KLAX · LAX
Los Angeles METAR & TAF
KORD · ORD
Chicago METAR & TAF
LFPG · CDG
Paris METAR & TAF
VIDP · DEL
Delhi METAR & TAF
EHAM · AMS
Amsterdam METAR & TAF
Comments and questions
Ask about this page or share a practical note.
Comments and questions
Ask about this page or share a practical note.Studying for the EASA ATPL exams?
Reading weather is exactly what Meteorology, Flight Planning and Operational Procedures test. SkyStudy turns it into exam-style question practice across every ATPL subject, with spaced repetition and timed mock exams. Free to start, no card needed.
Get the free METAR cheat sheet
Every METAR code group decoded on one page, built for quick reference. Unlocked instantly, and delivered to your inbox.
Important information
This page is general educational information for student pilots and may be out of date.
Aviation rules, training requirements, costs, medical standards, and exam details change over time and vary by country, authority, and training organisation, so details here may no longer be current or may differ in your case.
Always confirm the current details with your approved training organisation (ATO) and national aviation authority before relying on them.
SkyStudy is an independent study aid, is not affiliated with EASA or any aviation authority, and does not guarantee any exam or licence outcome.
Last reviewed July 2026