5-day weather forecast Helsinki 02-08-2026

Weather forecast Helsinki Sunday, August 2 02.08.2026: sunny, temperature from 14 °C to 20 °C.

Precipitation probability 23%. Wind up to 7.61 m/s (gusts 10.36 m/s). Air humidity 51–90%, atmospheric pressure 758–760 mm Hg, UV index up to 4.4.

Sunrise 05:02
Sunset 21:50
Waning Gibbous75% illuminated
Moonrise 22:14 · Moonset 10:03
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Table

Forecast from 14 °C to 20 °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)151515141414141617181919202020191918181716161515
Precipitation (mm/hr)0000000000.110.040.01000000000000

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 (%)83563976610177847580236810169457131512
Rain chance (%)211717141314141282314122234445512887

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)3.193.53.893.693.613.814.114.3955.616.196.56.616.897.317.57.397.617.397.197.116.615.816.19
Wind gust (m/s)5.195.836.586.536.587.037.366.817.037.538.038.0888.258.678.928.839.229.089.339.899.899.4210.36
Wind direction (°)WSW 240°SW 235°SW 231°WSW 238°SW 230°SW 222°SW 220°SW 217°SW 221°SW 222°SW 221°SW 226°SW 236°SW 235°SW 233°SW 231°SW 231°SW 234°SW 235°SW 235°WSW 239°WSW 244°WSW 238°SW 233°

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 (%)818588909090898376686459515154586061666872737473

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)759759759759759759759759758759759758759759759760760760760760760760760760

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 Index0000000.10.30.81.52.43.344.44.33.72.921.10.60.2000

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)33.44.24.85.76.16.66.577.77.26.25.24.74.64.855.25.766.26.46.45.8
PM10 (µg/m³)5.75.55.86.77.98.69.39.510.211.510.89.17.66.76.777.37.78.499.39.79.68.7
Ozone (O₃) (µg/m³)575861.5677374747473737372747985909394949391898784
NO₂ (µg/m³)7.95.85.15.35.96.26.25.74.94.13.63.12.72.21.71.41.21.21.31.51.82.12.53
SO₂ (µg/m³)0.40.40.50.50.60.60.60.60.60.60.60.50.50.50.40.40.40.30.30.30.40.40.40.4
CO (µg/m³)129122.8118.5115.511311311110699949394959696979899100100100100101103

Helsinki 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.