Weather forecast Petersburg 17-12-2025

Weather Wednesday 17 December temperature from 3 °C to 10 °C, cloud cover up to 100%, no precipitation, wind up to 4.31 m/s (gusts up to 7.78 m/s), air humidity from 33% to 74%, atmospheric pressure from 763 to 767 mm Hg, UV Index to 1.9 during the day. Forecast for the next days on the chart.