5-day weather forecast St. Petersburg Sep 7, 2026

31°29° · Sunny

Weather forecast St. Petersburg tomorrow Sep 7, 2026: sunny, temperature from 29 °C to 31 °C.

Precipitation probability 6%. Wind up to 4.61 m/s (gusts 9.31 m/s). Air humidity 60–72%, atmospheric pressure 759–762 mm Hg, UV index up to 9.4.

Sunrise 07:12
Sunset 19:45
Waning Crescent12% illuminated
Moonrise 02:51 · Moonset 17:16
Chart
Table

Forecast from 29 °C to 31 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)292929292929292929292930303030303130303030303029
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)000224313500100000000000
Rain chance (%)455666666544443333334444

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)4.114.1943.813.894.314.114.113.6133.53.894.114.54.614.54.314.314.613.814.114.313.813.61
Wind gust (m/s)4.314.54.314.224.334.614.114.223.813.113.538.899.118.57.617.58.318.317.618.817.119.317.817.61
Wind direction (°)W 274°W 268°W 279°W 271°W 273°W 270°W 270°W 264°W 271°W 268°WSW 244°WSW 242°WSW 238°SW 235°WSW 238°WSW 239°WSW 240°WSW 237°SW 236°WSW 246°W 262°W 277°W 272°W 275°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)666769717272727271686664636262616060616162636464

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)760760760759759759759760760761761761762761761761761761761761761762762762

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.21.23.15.589.49.48.25.83.21.20.20000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)3.73.84.14.14.13.43.12.833.13.232.92.72.72.72.72.52.42.42.73.12.72.8
PM10 (µg/m³)5.96.16.46.36.25.24.84.44.64.84.94.64.44.24.14.24.13.93.63.74.14.444
Ozone (O₃) (µg/m³)535252535354535353566063646565656564615754535352
NO₂ (µg/m³)1.92.42.72.82.72.62.62.62.41.91.20.70.50.60.60.50.50.61.11.72.32.733.5
SO₂ (µg/m³)0.30.30.30.30.20.20.20.20.20.20.30.30.30.20.20.20.30.30.30.20.20.20.20.3
CO (µg/m³)141121105979294107127138132118107103102102101101103111121127124118118

St. Petersburg on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.