5-day weather forecast Petersburg Oct 28, 2026

21°9° · Overcast

Weather forecast Petersburg Wednesday Oct 28, 2026: overcast, temperature from 9 °C to 21 °C.

Precipitation probability 42%. Wind up to 2.31 m/s (gusts 5.47 m/s). Air humidity 49–98%, atmospheric pressure 770–774 mm Hg, UV index up to 4.2.

Sunrise 07:30
Sunset 18:16
Waning Gibbous88% illuminated
Moonrise 19:40 · Moonset 10:13
Chart
Table

Forecast from 9 °C to 21 °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)11111110101010910131517181920212020161414131213
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 (%)100100100223210064661001001005510072656480549910010010010098
Rain chance (%)3038422224423030422622121597797161824192129

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)1.811.691.611.51.391.891.611.692.1922.312.31222.111.89222.192.192.191.891.892.11
Wind gust (m/s)2.421.722.281.611.392.721.611.923.673.813.925.472.642.614.642.312.424.314.224.695.035.424.313.17
Wind direction (°)E 83°ENE 78°ENE 65°NE 55°NE 44°NE 36°NE 35°NNE 33°NNE 28°NE 42°NE 48°NE 52°ENE 57°ENE 73°E 81°ENE 78°E 82°E 86°E 100°ESE 107°E 98°ESE 110°ESE 106°E 90°

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 (%)919698969698969698847673615653504956666980717589

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)772772771772772772773773773774774773773773772772772770772772771773773771

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 Index0000000000.41.12.23.64.23.62.71.50.5000000

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)14.513.512.912.512.111.711.110.510.49.18.799.19.39.49.49.39.310.211.511.510.39.69.8
PM10 (µg/m³)15.114.91514.814.714.213.81312.710.710.711.711.912.112.312.412.512.413.214.614.713.312.713.2
Ozone (O₃) (µg/m³)626261605957545150546067768592959592837161565553
NO₂ (µg/m³)10.810.29.698.58.49.210.310.596.64.53.22.41.81.31.22.158.911.611.91110.4
SO₂ (µg/m³)2.52.32.121.91.81.81.81.81.71.61.51.41.41.31.21.21.21.31.51.71.71.71.7
CO (µg/m³)254244233220206197198204205194177164158155153150148148154162166161153146

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.