With Evo-Stik League South East leaders AFC Rushden & Diamonds being thwarted again by a waterlogged pitch at Hayden Road, Hartley Wintney took the opportunity to move into third place in the table, six points behind Diamonds.
The Hampshire newcomers beat mid-table Marlow 3-0 at The Memorial Playing Fields, taking a 25th minute lead through Jake Baxter.
Former Portsmouth striker Rowan Vine added a second on the hour-mark and Adam Everiss made the points safe a minute from time.
Second-bottom Barton Rovers picked up a first point in five matches after sharing a 1-1 draw with Northwood at Chestnut Avenue.
Evans Kouassi gave Woods a 37th minute lead they held until just shy of the hour-mark when Jack Keating pulled Rovers level.
The game at the Runnymede Stadium between Egham Town and Kempston Rovers was another weather casualty.