5-day weather forecast Petersburg 26-08-2026

Weather forecast Petersburg today 26.08.2026: overcast, temperature from 17 °C to 32 °C.

Precipitation probability 27%. Wind up to 4.61 m/s (gusts 12.92 m/s). Air humidity 32–86%, atmospheric pressure 762–765 mm Hg, UV index up to 8.

Sunrise 06:35
Sunset 19:47
Full Moon100% illuminated
Moonrise 19:16 · Moonset 05:09
Chart
Table
Wed, Aug 26, 2026

Forecast from 17 °C to 32 °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)201918181717171719252829313132323232312826262423
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 (%)0014100861001008225782100100649457701008910010010099
Rain chance (%)56720202627231138111059115101113131416

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)1.812.312.111.3911.111.1110.691.522.6933.193.192.812.612.692.612.312.54.194.614.39
Wind gust (m/s)1.8343.831.51.111.221.1131.392.923.534.033.923.833.893.814.144.424.55.22811.1112.2212.92
Wind direction (°)SSE 155°S 169°S 184°SSW 198°SW 227°SW 220°SW 223°SW 230°SSW 212°S 178°S 174°S 170°S 172°S 175°S 170°SSE 167°SSE 165°SSE 164°SSE 149°SE 137°SE 132°SSE 157°SSE 151°SSE 155°

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 (%)687071747984868680554745413735333232395455565965

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)764764764764764764764765765765765765764764763763762762762762762763763763

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 Index000000000.51.63.15.17.487.46.54.42.30.80.20000

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)6.465.85.86.16.77.48.28.810.312.510.67.87.16.96.86.96.978.18.88.687.7
PM10 (µg/m³)6.56.36.56.97.58.49.510.51113.21613.39.38.27.77.47.57.57.68.79.39.18.68.8
Ozone (O₃) (µg/m³)808080818282797475861031151171151131141151131049283797776
NO₂ (µg/m³)8.276.15.55.155.76.76.95.43.11.30.70.70.80.60.51.13.15.87.475.54.3
SO₂ (µg/m³)1.51.41.31.21.21.11.11.11.11.11.11.1110.90.90.80.80.80.90.90.90.90.9
CO (µg/m³)189171157150145144147152154148137129125123122121121127145168180169147130
Wed, Aug 26, 2026

Frequently asked questions about the 5-day weather in Petersburg

What will the weather be like in Petersburg over the next 5 days?

Over the next 5 days in Petersburg the temperature is expected to range from about 17 to 33 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Petersburg?

The chance of rain in Petersburg over the next 5 days reaches 88%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Petersburg?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Petersburg will be the warmest and which the coolest?

Over the next 5 days the temperature in Petersburg ranges from about 17 to 33 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Petersburg over the next 5 days?

Over the next 5 days the wind in Petersburg picks up to 5 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Petersburg is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 88%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Petersburg?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

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.