5-day weather forecast St. Petersburg Sep 29, 2026

28°26° · Overcast

Weather forecast St. Petersburg Tuesday Sep 29, 2026: overcast, temperature from 26 °C to 28 °C.

Precipitation probability 12%. Wind up to 3.31 m/s (gusts 8.31 m/s). Air humidity 48–59%, atmospheric pressure 761–763 mm Hg, UV index up to 8.3.

Sunrise 07:22
Sunset 19:19
Waning Gibbous84% illuminated
Moonrise 21:00 · Moonset 10:09
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Table

Forecast from 26 °C to 28 °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)272727272727272626262627272828282728282828282828
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 (%)69100100100100100100907082232911001510010061601008797246
Rain chance (%)71212121212121293441011211126612101232

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)1.691.1910.610.891.191.8933.313.113.113.192.611.892.52.612.612.893.313.192.812.311.50.89
Wind gust (m/s)4.691.2240.610.925.196.8968.316.118.118.192.6126.55.612.617.898.316.196.817.314.55.89
Wind direction (°)WSW 238°SW 232°WSW 247°SSW 212°S 179°SE 141°ESE 116°ESE 122°ESE 123°ESE 122°SE 126°SE 138°SE 143°SSE 157°S 183°SSW 199°SSW 208°SSW 205°SSW 205°SSW 210°SW 219°SW 224°SW 224°WSW 256°

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 (%)525151515151535659595754514848505151525253535353

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)761761761761761761761761761762762763763762762761761761761761761761761761

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 Index0000000000.72.14.56.98.38.36.94.72.40.80.10000

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)6.56.87.17.588.48.38.28.38.28.47.97.3777.17.37.57.67.67.46.35.24.9
PM10 (µg/m³)8.48.79.19.510.110.610.410.2101010.610.29.79.39.39.69.910.210.410.410.28.66.96.4
Ozone (O₃) (µg/m³)100999897969386787688106119121119116116115114110106101979491
NO₂ (µg/m³)3.84.75.45.86.26.77.99.39.57.64.52.11.10.80.70.60.60.81.21.82.22.32.32.4
SO₂ (µg/m³)0.60.70.70.70.60.60.60.70.80.90.90.90.80.70.60.60.50.50.50.40.40.40.30.3
CO (µg/m³)198214224225221215207196186175165156149145142142145147150152153149142141

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.