5-day weather forecast Petersburg 27-08-2026

Weather forecast Petersburg tomorrow 27.08.2026: light rain shower, temperature from 20 °C to 33 °C.

Precipitation probability 78%. Wind up to 4.19 m/s (gusts 12.92 m/s). Air humidity 39–98%, atmospheric pressure 760–763 mm Hg, UV index up to 3.4.

Sunrise 06:36
Sunset 19:46
Full Moon100% illuminated
Moonrise 19:39 · Moonset 06:09
Chart
Table

Forecast from 20 °C to 33 °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)222221212020202021212225292831333331272624232322
Precipitation (mm/hr)00000.31.120.60.020.4900000.0600000.720.040.040.50.280

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 (%)855799210010010010010010092979290547298100956110010090100
Rain chance (%)15718245478694465382923131856912481829655039

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)4.113.693.192.3121.51.391.391.190.691.111.392.3121.891.891.612.314.192.892.191.611.612.61
Wind gust (m/s)12.9212.6412.119.698.614.112.923.312.921.442.142.613.253.533.423.363.814.539.728.928.722.721.929
Wind direction (°)SSE 166°SSE 168°S 174°SSE 164°S 169°S 178°SSE 161°SSE 158°S 171°S 190°S 171°SSE 165°SE 145°S 172°S 172°S 179°S 176°SSE 159°S 177°S 186°S 174°SSE 165°S 178°S 178°

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 (%)707579849598989897959381626450423950647783949497

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)763763763763763763763763763763763763762762761761760760760760760761761761

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 Index000000000.50.70.91.51.71.11.21.73.41.90.80.20000

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)7.77.87.36.56.365.85.75.96.27.46.96.76.65.965.85.766.47.17.77.37.7
PM10 (µg/m³)9.19.58.87.67.26.96.76.56.87.38.88.17.87.66.66.56.26.16.46.87.58.17.78
Ozone (O₃) (µg/m³)75747269656259586173901031091111121131131111049486817774
NO₂ (µg/m³)3.73.233.13.53.94.34.64.53.62.41.410.80.80.70.61.12.64.66.37.58.58.9
SO₂ (µg/m³)0.90.80.80.80.80.911.11.21.110.80.70.60.50.50.50.50.50.60.60.60.70.7
CO (µg/m³)125125126128131135141147149143134126123123123122121123130140147149148147

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.