5-day weather forecast Helsinki 27-07-2026

Weather forecast Helsinki today 27.07.2026: patchy rain possible, temperature from 16 °C to 19 °C.

Precipitation probability 76%. Wind up to 4.89 m/s (gusts 7.06 m/s). Air humidity 78–98%, atmospheric pressure 746–752 mm Hg, UV index up to 2.7.

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 04:48
Sunset 22:04
Full Moon99% illuminated
Moonrise 22:09 · Moonset 01:17
Chart
Table
Mon, Jul 27, 2026

Forecast from 16 °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)171616161616161616161717181818191919181818171616
Precipitation (mm/hr)0.130.060.220.080.050.160.580.920.090.050.10.140.06000.040.030.060000.010.160.34

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 (%)826559675876100100100100100989289100815754383570785684
Rain chance (%)382838373240737643394345322729231719141319253452

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)2.813.193.613.112.893.693.544.314.814.814.814.893.893.393.112.893.312.391.611.811.50.810.39
Wind gust (m/s)5.175.676.55.254.976.225.396.066.427.066.786.616.475.364.834.364.064.583.532.282.612.51.530.78
Wind direction (°)S 188°S 177°S 172°SSE 167°SSE 153°SSE 150°SSE 147°SSE 148°SE 139°SE 145°SSE 154°SSE 167°S 173°S 171°S 174°S 184°SSE 165°SE 143°SE 129°ESE 110°E 99°E 100°ESE 117°E 100°

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 (%)919194949596979897979694898989817879838182909494

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)752751751751750750749749749749749749749749749749748748747747746746746746

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 Index00000000.10.20.20.40.40.71.82.72.30.81.71.30.60.2000

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)6.76.46.96.56.46.46.16.26.366.36.36.35.16.15.965.65.35.254.74.64.5
PM10 (µg/m³)8.28.48.68.288.27.38.18.17.57.37.97.97.77.47.97.47.47.16.26.76.55.74.8
Ozone (O₃) (µg/m³)737375757576726968737976696470788486847677727174
NO₂ (µg/m³)6.26.26.577.28.38.87.47.7776.354.85.45.767.17.57.27.97.59.48.1
SO₂ (µg/m³)0.50.40.50.60.50.50.50.50.50.40.50.40.30.30.30.30.30.40.40.50.50.50.50.3
CO (µg/m³)136136139141138137140148152152148145141142145144147149150148148144145145
Mon, Jul 27, 2026

Frequently asked questions about the 5-day weather in Helsinki

Over the next 5 days in Helsinki the temperature is expected to range from about 12 to 25 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

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

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.

Over the next 5 days the temperature in Helsinki ranges from about 12 to 25 °C. Compare the warmest and coolest day on the temperature chart above.

Over the next 5 days the wind in Helsinki picks up to 8 m/s. The windiest days are easy to spot on the wind chart above.

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.

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.

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.