Weather forecast Helsinki 04-01-2026

Weather Sunday 4 January temperature from -6 °C to -1 °C, cloud cover up to 100%, precipitation is expected with a 100% chance, wind up to 5.61 m/s (gusts up to 8.08 m/s), air humidity from 83% to 94%, atmospheric pressure from 743 to 751 mm Hg, UV Index to 1 during the day. Forecast for the next days on the chart.