The Magpies led Watford thanks to a superb goal from Allan Saint-Maximin shortly after half-time, however the Hornets fired back shortly before the full-time whistle.
Joao Pedro gifted the visitors a point and Eddie Howe was left to continue his search for only their second win of the campaign.
The draw leaves Newcastle in 19th place – only one point above Burnley, who have three games in hand.
The Tyneside club face a trip to Leeds United next weekend.
Here are the best of today’s rumours...
9. No new Brighton deal on the horizon for Cochrane
Brighton defender Alex Cochrane says he is putting himself in "the shop window" during his loan spell at Scottish Premiership side Hearts with his contract set to expire this summer and the Seagulls yet to open talks on a new deal (Daily Record) Photo: Alex Burstow