Baltic Sea temperature Black Sea Baltic Sea North Sea Atlantic West Mediterranean Sea Middle Mediterranean Sea East Mediterranean Sea Azoren/Madeira Forecast in other regions Switzerland World Zurich -2° Geneva 0° Basel 0° Lausanne 0° Bern -1° Winterthur -2° Sankt Gallen -3° Lugano +4° Lucerne 0° Biel -2° Thun -1° Koniz -2° La Chaux-de-Fonds -5° Rapperswil -1° Schaffhausen -2° Fribourg -2° Chur 0° Neuchatel -1° Vernier 0° Sion +2° All cities All cities Weather Baltic Sea