5-day weather forecast Helsinki 04-08-2026

Weather forecast Helsinki Tuesday, August 4 04.08.2026: partly cloudy, temperature from 13 °C to 20 °C.

Precipitation probability 27%. Wind up to 5.39 m/s (gusts 8.08 m/s). Air humidity 61–90%, atmospheric pressure 761–763 mm Hg, UV index up to 4.2.

Sunrise 05:07
Sunset 21:45
Last Quarter55% illuminated
Moonrise 22:13 · Moonset 12:54
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Table

Forecast from 13 °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)141313131414141617181819191920202020201918171615
Precipitation (mm/hr)00000000.030.0800.150000000000000

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 (%)312428471623398576495932484618194547222345474950
Rain chance (%)141415181415172725112078955775578911

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)43.613.192.612.692.612.8933.894.695.195.395.394.894.8954.8955.395.315.114.53.893.19
Wind gust (m/s)7.366.786.145.175.315.115.424.945.586.586.897.086.816.645.946.286.316.617.537.788.087.696.756.19
Wind direction (°)W 259°W 259°WSW 258°WSW 254°SW 235°SW 224°SW 222°SW 225°SW 223°SW 222°SW 222°SW 227°SW 228°SW 225°SW 230°SW 229°SW 231°SW 231°SW 233°WSW 237°WSW 242°WSW 247°WSW 251°W 259°

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 (%)858788888990898580737067636761616261616364666873

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)762763762762762762762762762762762762762762762761761761761761761761761761

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 Index00000000.30.71.322.63.32.34.23.72.92.11.10.60.2000

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.