Brest 48 °F Fog. Feels Like: 48 °F Forecast: 57 / 48 °F Wind: 1 mph ↑ from North Department: Finistère Department High: 48 °F Brest Department Low: 45 °F Quimper Max Wind: 2 mph Quimper °F Weather in Finistère (2 Locations) Brest Mon 10:17 am 48 °F Quimper Mon 10:17 am 45 °F Need some help?