5-day weather forecast Petersburg 26-07-2026

Weather forecast Petersburg Sunday, July 26 26.07.2026: partly cloudy, temperature from 18 °C to 31 °C.

Precipitation probability 59%. Wind up to 2.69 m/s (gusts 5.47 m/s). Air humidity 45–97%, atmospheric pressure 758–761 mm Hg, UV index up to 9.

Sunrise 06:09
Sunset 20:22
Waxing Gibbous95% illuminated
Moonrise 19:01 · Moonset 03:19
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Table

Forecast from 18 °C to 31 °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)191818181818181921232627293031313028262524222020
Precipitation (mm/hr)00000000000000000000000.610.01

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 (%)1014172210010010037362623423586601006545272021248980
Rain chance (%)202122224242422414956495116667785923

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)1.191.611.111.191.311.191.191.111.191.311.391.51.611.691.811.891.811.6922.392.692.611.811.81
Wind gust (m/s)2.533.362.312.532.692.472.471.971.561.51.611.721.831.972.082.192.362.833.864.835.175.473.783.78
Wind direction (°)W 259°W 278°W 280°WNW 297°NW 319°NW 316°NW 322°N 350°NNE 21°NNE 32°NE 50°NE 36°NNE 29°NNE 32°NNE 29°NE 36°NE 37°NE 49°E 80°ESE 120°SE 135°SE 125°SSE 166°SSE 152°

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 (%)959697979797979485746457524947454856656970738285

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)761761761761761761761761761761761761760760759758758758758758758758759759

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 Index00000000.20.92.34.36.58.298.574.92.81.20.30000

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)16.217.51818.619.21918.216.515.815.915.815.314.614.614.314.113.913.91414.515.415.414.413.6
PM10 (µg/m³)18.720.120.521.121.721.820.818.918.219.62019.518.718.618.217.817.417.417.417.618.318.116.915.9
Ozone (O₃) (µg/m³)45403633303033384763841011111171221271301281169883757167
NO₂ (µg/m³)16.819.120.82222.721.818.313.38.95.73.21.40.70.80.90.70.61.12.64.66.277.57.6
SO₂ (µg/m³)1.51.61.61.61.51.41.41.41.41.31.110.90.90.90.90.90.90.91111.11.1
CO (µg/m³)174191205214220223225224213185147119110111113111110111116122127128127127

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.