According to the forecast of the Federal State Budgetary Institution “North-West Directorate for Hydrometeorology and Environmental Monitoring”, on January 12, partly cloudy is expected, without significant precipitation, in the morning there will be fog and frost in places. The wind is moderate during the day. Ice on the roads. The atmospheric pressure will decrease. The air temperature, which dropped to minus 20 at night in the vicinity, will be 6-8 degrees below zero during the day.
According to Yandex, it is now minus 17 in St. Petersburg, and minus 12 during the day, which is 8 degrees below the climatic norm. At the same time, the temperature will be felt as minus 19 with an increased air humidity of 82%.
Most often, according to the history of weather observations for 59 years, this day in the city is cloudy, from minus 15 to 0 degrees. The coldest January 12 happened over these years in 1987, minus 34 in the followingnoon, and the warmest – in 2009, plus 5.
On Thursday, January 13, according to the forecast of the NW UGMS, it will snow at night, when it will be still minus 6-8 degrees. And in the morning it will turn into sleet with rain in a gusty wind. In some places, ice is possible, and ice on the roads.