Greymouth 59 °F Cool. Feels Like: 57 °F Forecast: 71 / 48 °F Wind: 9 mph ↑ from South Region: West Coast Region High: 59 °F Greymouth Region Low: 59 °F Greymouth Max Wind: 9 mph Greymouth °F Weather in West Coast (1 Location) Greymouth * Tue 10:02 pm 59 °F Need some help?