5-day weather forecast Helsinki 28-07-2026

Weather forecast Helsinki tomorrow 28.07.2026: patchy rain possible, temperature from 14 °C to 19 °C.

Precipitation probability 88%. Wind up to 8.11 m/s (gusts 10.83 m/s). Air humidity 65–98%, atmospheric pressure 746–753 mm Hg, UV index up to 3.8.

Weather Alerts

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ModerateJul 28, 03:00 AMJul 28, 09:00 AMTranslate with Google
Tugev tuul Tase 1
Lääne- ja edelatuul puhanguti 15 m/s. Laine kõrgus 1-2 m.
https://www.rescue.ee/et
ModerateJul 27, 06:00 PMJul 28, 12:00 AMTranslate with Google
Yellow severe thunderstorm warning: Gulf of Finland, Mon 18.00 - Tue 0.00

Severe thunderstorm warning

Strong wind advisory: In the evening thunderstorm wind gusts.
ModerateJul 27, 06:00 PMJul 28, 08:00 AMTranslate with Google
Yellow severe thunderstorm warning: Gulf of Finland, Mon 18.00 - Tue 8.00

Severe thunderstorm warning

Strong wind advisory: From the evening on thunderstorm wind gusts.
ModerateJul 27, 04:00 PMJul 27, 11:00 PMTranslate with Google
Yellow severe thunderstorm warning: North Ostrobothnia and locally in the western part of the country, Mon 16.00 - 23.00

Severe thunderstorm warning

Severe thunderstorm warning: From the afternoon on severe thunderstorms can produce strong wind gusts, over 15 m/s.
Sunrise 04:51
Sunset 22:02
Full Moon100% illuminated
Moonrise 22:14 · Moonset 02:46
Chart
Table

Forecast from 14 °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)161616161615151415151718181819181818171515151515
Precipitation (mm/hr)0.761.342.053.33.420.530.0100000.010.030.040.020.010.010.010.020.040.05000.01

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 (%)10010010010010010010090493747798175738382888510010010010072
Rain chance (%)717983888870322918141014161613141416213134262417

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)0.51.3123.114.695.896.115.695.314.895.195.316.116.196.897.58.117.8976.3177.117.197.5
Wind gust (m/s)0.922.173.174.786.948.448.928.317.366.536.446.337.618.038.229.229.819.648.788.229.819.9210.3310.83
Wind direction (°)WNW 292°WNW 294°W 267°WSW 253°W 262°W 270°W 268°W 268°W 269°W 261°WSW 254°WSW 238°SW 226°SW 226°SW 229°SW 235°WSW 243°WSW 243°WSW 249°W 265°WNW 282°WNW 288°WNW 288°WNW 292°

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 (%)959698989694939189827166677065666668788589847976

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)746746746746746746746747748748749749749749749750750751751751752752752753

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 Index0000000.10.30.71.52.32.93.83.73.72.40.60.30.20.10.1000

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)44.354.932.62.32.63.13.132.62.72.52.32.5221.71.81.61.61.81.7
PM10 (µg/m³)4.74.85.35.43.23.53.13.13.64.554.44.44.13.22.82.72.72.72.72.62.72.62.5
Ozone (O₃) (µg/m³)726765645557636463636567687373696969686559565556
NO₂ (µg/m³)76.55.75.35.53.833.33.72.82.72.421.722.22.42.62.42.82.32.72.62.6
SO₂ (µg/m³)0.30.30.30.20.20.20.20.20.20.30.30.30.20.20.20.20.20.20.20.20.20.20.20.2
CO (µg/m³)145146141134131129126128129128123122122123125124126125128129123125126126

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.