5-day weather forecast Saint Petersburg 27-08-2026

Weather forecast Saint Petersburg Thursday, August 27 27.08.2026: cloudy, temperature from 11 °C to 20 °C.

Precipitation probability 35%. Wind up to 3.11 m/s (gusts 6.89 m/s). Air humidity 55–90%, atmospheric pressure 770–772 mm Hg, UV index up to 3.3.

Sunrise 05:42
Sunset 20:17
Full Moon100% illuminated
Moonrise 20:06 · Moonset 04:38
Chart
Table

Forecast from 11 °C to 20 °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)131212121213131314161819191920201917161513121111
Precipitation (mm/hr)0.01000000000000000.270.210.090.13000.0600

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 (%)76523347498896617514868759386178928047691009491
Rain chance (%)24131517242724191065121396202325271320352725

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)1.51.190.890.810.690.690.6111.111.191.391.51.8921.811.812.6133.112.892.312.312.192
Wind gust (m/s)1.531.2210.834.690.690.6151.611.812.031.836.8951.921.836.614.114.835.144.533.923.722.83
Wind direction (°)NNW 344°N 358°NNW 341°NNW 330°NNW 345°N 7°N 0°NNE 18°NNE 29°NNE 33°NE 35°NNE 23°NNE 20°NNE 28°NE 37°NE 47°NE 48°ENE 58°ENE 67°ENE 70°ENE 71°ENE 76°ENE 77°ENE 77°

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 (%)898989909086848479716460616258556172757885888786

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)770770770770770771771771771771771771771772772771771772772772772772772772

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 Index00000000.10.30.40.71.22.33.32.82.51.81.10.50.20000

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)17.218.313.412.512.512.615.819.126.332.724.416.913.311.410.710.19.810.512.113.215.820.92529.7
PM10 (µg/m³)25.421.820.316.115.518.619.127.833.138.732.322.120.718.314.514.418.518.217.616.420.426.230.735.7
Ozone (O₃) (µg/m³)348888958192330363841453933281910511
NO₂ (µg/m³)54.550.344.837.234.534.839.745.856.862.549.641.238.935.434.234.240.6526066.572.279.980.278.1
SO₂ (µg/m³)97.676.86.56.678.91310.88.56.75.554.344.65.97.37.48.912.616.620.9
CO (µg/m³)404338299264260293347512643694466375324308285269322368453417408623820729

Saint 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.