5-day weather forecast Helsinki Sep 9, 2026
16°Weather forecast Helsinki today Sep 9, 2026: patchy rain possible, temperature from 15 °C to 17 °C.
Precipitation probability 79%. Wind up to 5.89 m/s (gusts 11.92 m/s). Air humidity 85–98%, atmospheric pressure 749–752 mm Hg, UV index up to 1.6.
5 days at a glance — tap a day to open it
Sunrise 06:34
Sunset 20:00
Sunset 20:00
New Moon2% illuminated
Moonrise 03:00 · Moonset 19:33
Moonrise 03:00 · Moonset 19:33
Chart
Table
Wed, Sep 9, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 16 °C | 30% | 98% | 90% | 752 mm Hg | SW 222° 5.5 (11.31) m/s | 0 |
| 01:00 | Overcast | 15 °C | 31% | 100% | 92% | 752 mm Hg | SW 223° 5.31 (10.81) m/s | 0 |
| 02:00 | Overcast | 15 °C | 32% | 100% | 93% | 752 mm Hg | SW 222° 4.19 (9.61) m/s | 0 |
| 03:00 | Overcast | 15 °C | 32% | 100% | 94% | 752 mm Hg | SSW 211° 4.31 (9.11) m/s | 0 |
| 04:00 |  Partly cloudy | 15 °C | 23% | 58% | 94% | 752 mm Hg | SSW 204° 4.11 (8.11) m/s | 0 |
| 05:00 |  Cloudy | 15 °C | 26% | 66% | 96% | 752 mm Hg | SSW 196° 4.19 (8.83) m/s | 0 |
| 06:00 |  Patchy rain possible | 15 °C | 37% (0.03 mm/hr) | 100% | 97% | 751 mm Hg | S 190° 5.11 (10.33) m/s | 0 |
| 07:00 | Patchy rain possible | 15 °C | 39% (0.06 mm/hr) | 100% | 95% | 751 mm Hg | SSW 195° 5.69 (11.72) m/s | 0 |
| 08:00 |  Light rain shower | 16 °C | 51% (0.25 mm/hr) | 100% | 94% | 750 mm Hg | SSW 206° 5.81 (11.92) m/s | 0.1 |
| 09:00 | Patchy rain possible | 16 °C | 41% (0.09 mm/hr) | 100% | 93% | 750 mm Hg | SSW 213° 5.89 (11.31) m/s | 0.3 |
| 10:00 | Light rain shower | 16 °C | 57% (0.36 mm/hr) | 100% | 93% | 751 mm Hg | SW 216° 5.61 (10.89) m/s | 0.4 |
| 11:00 | Light rain shower | 16 °C | 52% (0.29 mm/hr) | 100% | 92% | 751 mm Hg | SW 221° 5.11 (10.61) m/s | 0.4 |
| 12:00 | Patchy rain possible | 16 °C | 32% (0.03 mm/hr) | 91% | 92% | 751 mm Hg | SW 219° 4.5 (9.61) m/s | 1 |
| 13:00 | Light rain shower | 17 °C | 64% (0.67 mm/hr) | 100% | 87% | 751 mm Hg | SW 220° 5.11 (10) m/s | 1.6 |
| 14:00 | Light rain shower | 17 °C | 45% (0.25 mm/hr) | 100% | 86% | 751 mm Hg | SW 216° 4.69 (8.11) m/s | 1.5 |
| 15:00 | Patchy rain possible | 17 °C | 30% (0.03 mm/hr) | 100% | 86% | 751 mm Hg | SW 219° 4.5 (7.64) m/s | 1.4 |
| 16:00 | Patchy rain possible | 17 °C | 32% (0.05 mm/hr) | 100% | 85% | 751 mm Hg | SW 214° 4.5 (7.5) m/s | 1.4 |
| 17:00 | Patchy rain possible | 17 °C | 31% (0.05 mm/hr) | 100% | 85% | 751 mm Hg | SSW 211° 4.31 (7.39) m/s | 0.3 |
| 18:00 | Patchy rain possible | 16 °C | 31% (0.03 mm/hr) | 100% | 88% | 751 mm Hg | SSW 208° 3.31 (6.69) m/s | 0.1 |
| 19:00 |  Overcast | 15 °C | 31% | 100% | 93% | 750 mm Hg | SSW 200° 2.11 (4.61) m/s | 0.1 |
| 20:00 |  Mist | 15 °C | 39% (0.02 mm/hr) | 94% | 96% | 750 mm Hg | S 190° 1.61 (2.42) m/s | 0 |
| 21:00 | Mist | 15 °C | 44% (0.05 mm/hr) | 100% | 97% | 750 mm Hg | SW 221° 1.11 (1.19) m/s | 0 |
| 22:00 |  Light rain shower | 15 °C | 79% (1.26 mm/hr) | 100% | 98% | 749 mm Hg | SSW 205° 1.39 (1.42) m/s | 0 |
| 23:00 | Light rain shower | 15 °C | 68% (0.58 mm/hr) | 100% | 98% | 749 mm Hg | SW 216° 0.39 (0.64) m/s | 0 |
Wed, Sep 9, 2026
Frequently asked questions about the 5-day weather in Helsinki
What will the weather be like in Helsinki over the next 5 days?
Over the next 5 days in Helsinki the temperature is expected to range from about 10 to 18 °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 Helsinki?
The chance of rain in Helsinki over the next 5 days reaches 79%. 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 Helsinki?
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 Helsinki will be the warmest and which the coolest?
Over the next 5 days the temperature in Helsinki ranges from about 10 to 18 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Helsinki over the next 5 days?
Over the next 5 days the wind in Helsinki picks up to 9 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Helsinki 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 79%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Helsinki?
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.
Will I need an umbrella or sunscreen in Helsinki this week?
Rain reaches a 79% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 1.6; sunscreen is worth it from about 3 upwards.
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.