5-day weather forecast St. Petersburg Sep 27, 2026

27°24° · Overcast

Weather forecast St. Petersburg tomorrow Sep 27, 2026: overcast, temperature from 24 °C to 27 °C.

Precipitation probability 15%. Wind up to 5.19 m/s (gusts 8.19 m/s). Air humidity 44–61%, atmospheric pressure 759–761 mm Hg, UV index up to 8.2.

Sunrise 07:21
Sunset 19:21
Waning Gibbous96% illuminated
Moonrise 19:49 · Moonset 08:12
Chart
Table

Forecast from 24 °C to 27 °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)262625252524242424242425252626262627272727272727
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 (%)31110614089100100100991001001008410010010010010010010010010098
Rain chance (%)2226411141415141413131012121211111111111110

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)3.815.194.113.312.892.612.612.392.312.3921.610.891.311.692.392.892.892.893.313.392.892.391.5
Wind gust (m/s)3.838.194.223.537.616.615.395.315.3964.615.895.314.696.396.896.896.897.316.396.896.395.5
Wind direction (°)NE 39°NE 53°NE 54°NE 49°ENE 63°E 80°E 99°ESE 103°ESE 105°ESE 114°ESE 116°SE 128°SE 140°S 170°SW 214°WSW 240°WSW 253°W 260°W 265°W 275°WNW 284°WNW 293°WNW 289°WNW 282°

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 (%)485050505154586061615957545352515048474747464544

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)761761760760760760760760761761761761761761761760760759759760760760761761

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 Index0000000000.823.24.27.38.26.74.52.20.80.10000

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)6.26.97.88.69.910.310.29.99.79.39.51010.29.89.49.18.98.88.68.58.48.48.48.6
PM10 (µg/m³)6.47.17.9911.21212.312.11211.812.313.113.312.812.111.611.511.31110.710.410.310.310.5
Ozone (O₃) (µg/m³)10499928373656058617390105115122127129128126122117112109107104
NO₂ (µg/m³)5.87.18.18.68.88.88.88.57.86.142.31.51.210.90.91.11.62.333.74.55.2
SO₂ (µg/m³)11.11.11.110.90.80.70.70.70.80.90.90.90.90.90.90.90.90.80.80.80.80.8
CO (µg/m³)178181182179175172174178178171161152148146144139135132131132142167202234

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.