Local MP Sheryll Murray was testing the beacon at Torpoint in Cornwall ahead of the official Jubilee lighting at exactly 10.15pm tonight.
Torpoint are also hoping to break the record for the longest length of recorded bunting. Their efforts currently measure in at more than three miles and it's taken more than three days to put it up.
More top news
The prince laid a floral wreath at one of a group of metal crosses near Wellington Arch in central London.
The group, which also owns Premier Inn, said on Wednesday that it will pursue a ‘demerger of Costa’.
The showers will become more frequent as the day goes on, giving some heavy downpours in places during the afternoon.