Flights will land and depart from Heathrow in most weather conditions, but it’s still useful to know the current weather.
Below is the METAR aviation weather report text version, for more current weather information and other aerodrome information for heathrow, tune in to Heathrow ATIS frequency.
Heathrow METAR report data – EGLL
The EGLL METAR report at
Here is a site listing previous observations.