5-day weather forecast St. Petersburg Sep 8, 2026

31°28° · Sunny

Weather forecast St. Petersburg Tuesday Sep 8, 2026: sunny, temperature from 28 °C to 31 °C.

Precipitation probability 16%. Wind up to 6.31 m/s (gusts 10.31 m/s). Air humidity 59–76%, atmospheric pressure 762–764 mm Hg, UV index up to 9.9.

Sunrise 07:12
Sunset 19:43
Waning Crescent6% illuminated
Moonrise 04:03 · Moonset 18:02
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Table

Forecast from 28 °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)292929292928282828282929303030313131313131313131
Precipitation (mm/hr)00000000000000000000000.040

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 (%)000001013554355561135545896
Rain chance (%)4444577777684444444444164

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)2.612.192.192.53.193.392.8921.6921.811.51.111.612.3134.396.196.315.614.814.54.114.31
Wind gust (m/s)5.612.192.392.58.196.395.8966.6954.815.54.114.617.3169.3910.1910.319.618.814.54.614.92
Wind direction (°)WNW 293°NNW 335°N 11°NE 56°E 82°E 91°E 94°E 86°ENE 62°ENE 58°E 95°ESE 119°SSE 163°SW 214°WSW 247°W 266°WNW 286°WNW 298°NW 307°NW 313°NW 323°NNW 335°N 356°NNE 20°

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 (%)656564667074767675737067656463615961636363636363

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)762762762762762762762763764764764764764764764764764764764764764764764764

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 Index000000000.21.23.15.78.49.79.98.15.12.61.10.20000

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)33.13.43.84.14.13.93.63.22.92.62.52.52.52.52.52.62.82.93.43.63.83.93.5
PM10 (µg/m³)4.14.24.44.6554.84.443.63.43.33.43.53.53.53.73.944.54.64.64.63.9
Ozone (O₃) (µg/m³)514947454443424244485459626465656464646565646362
NO₂ (µg/m³)4.255.76.36.76.86.55.95.13.92.61.510.80.70.70.91.21.82.63.54.65.76.3
SO₂ (µg/m³)0.40.50.60.70.80.80.80.70.60.50.40.30.30.30.30.30.30.30.40.40.50.60.60.6
CO (µg/m³)132153164157142130128131133133133132129126123119115118133156176194210214

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.