Hamilton saw off team-mate Valtteri Bottas by an impressive 0.313 seconds, with the all-black machines continuing to crush their bewildered opposition. Charles Leclerc was further back in fourth for Ferrari.
Hamilton had trailed Mercedes teammate Valtteri Bottas in final practice and throughout Q1 and Q2, but turned the tables on his title rival to clinch a third straight pole by over three-tenths of a second. British driver Lando Norris finished fifth for McLaren.
There was also the rare sight of a Hamilton spin, after the six-time world champion lost control of his Mercedes on the exit of Luffield.
Lewis Hamilton drives at a windy Silverstone.
Hamilton also said he was aware there are no other drivers from his background now on the path to F1 and suggested that is a consideration when it comes to his thoughts on his future career in the category.
"Then it's just really trying to recompose yourself and get yourself back aligned, because it's about building, just building blocks when you go through qualifying". It never gets old qualifying on pole.
Hamilton added: 'Normally you have the sirens going off, the flags, the smoke and the atmosphere is buzzing. "We miss the fans here but hopefully they are happy with my turnaround watching at home".
The Red Bull driver, who qualified 12th, experienced a disrupted build-up to qualifying after a crash on Friday and then auto problems in final practice.
Nico Hulkenberg, standing in for Sergio Perez at Racing Point after the Mexican tested positive for the new coronavirus, was ninth on the timesheets.