5-day weather forecast Saint Petersburg 25-08-2026

Weather forecast Saint Petersburg today 25.08.2026: patchy rain possible, temperature from 11 °C to 19 °C.

Precipitation probability 47%. Wind up to 4.81 m/s (gusts 10.69 m/s). Air humidity 49–94%, atmospheric pressure 758–764 mm Hg, UV index up to 2.2.

Sunrise 05:37
Sunset 20:23
Full Moon97% illuminated
Moonrise 20:05 · Moonset 01:40
Chart
Table
Tue, Aug 25, 2026

Forecast from 11 °C to 19 °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)131312121212121212131416161719191817161514131111
Precipitation (mm/hr)0.190.050.040.040.0400.0300.020.0200.010.0100.010.010.070.0300.020.02000

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 (%)1001001001006697937498100919610066777575958995862337100
Rain chance (%)473735352731322530261816159981715141918101526

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)4.394.394.394.54.314.19443.814.114.314.54.814.194.614.53.813.392.692.612.612.192.312
Wind gust (m/s)10.4210.4210.4210.6110.6910.429.929.699.117.897.226.727.1176.616.145.645.565.896.146.616.225.53.94
Wind direction (°)NNW 334°NNW 336°NNW 335°NNW 335°NNW 342°NNW 341°NNW 342°NNW 342°NNW 338°NNW 342°N 351°N 352°N 352°N 359°N 10°N 7°NNE 14°N 7°N 2°N 9°NNE 14°N 358°N 356°NNW 343°

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 (%)949292929293929188817266625850495558646972788584

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)758758758758758758759759760760761761761761761761762763763764764764764764

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 Index000000000.40.70.71.322.20.80.71.610.50.20000

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)5.94.94.94.64.75.26.38.111.612.311.412.312.712.912.613.113.715.615.716.312.514.920.919.4
PM10 (µg/m³)6.75.95.75.76.16.88.110.718.417.917.617.517.618.419.119.221.223.321.521.117.821.225.423.8
Ozone (O₃) (µg/m³)323739404040371622213033363841413925191614473
NO₂ (µg/m³)18.912.9109.511.713.918.93244.444.240.937.135.735.533.635.838.250.75460.958.766.569.766.6
SO₂ (µg/m³)2.42.62.62.72.83.43.74.455.64.854.74.74.54.54.75.27.47.48.711.912.615
CO (µg/m³)214207202207211234258293320359339345342343346366383416454475475553567631
Tue, Aug 25, 2026

Frequently asked questions about the 5-day weather in Saint Petersburg

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

Over the next 5 days in Saint Petersburg the temperature is expected to range from about 10 to 21 °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 Saint Petersburg?

The chance of rain in Saint Petersburg over the next 5 days reaches 50%. 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 Saint 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 Saint Petersburg will be the warmest and which the coolest?

Over the next 5 days the temperature in Saint Petersburg ranges from about 10 to 21 °C. Compare the warmest and coolest day on the temperature chart above.

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

Over the next 5 days the wind in Saint 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 Saint 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 50%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Saint 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.

Saint 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.