5-day weather forecast Helsinki Sep 27, 2026
10°Weather forecast Helsinki today Sep 27, 2026: sunny, temperature from 9 °C to 15 °C.
Precipitation probability 49%. Wind up to 5 m/s (gusts 12.22 m/s). Air humidity 57–94%, atmospheric pressure 759–772 mm Hg, UV index up to 1.7.
5 days at a glance — tap a day to open it
Sunrise 07:16
Sunset 19:05
Sunset 19:05
Waning Gibbous96% illuminated
Moonrise 18:38 · Moonset 08:23
Moonrise 18:38 · Moonset 08:23
Chart
Table
Sun, Sep 27, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 13 °C | 49% (0.41 mm/hr) | 81% | 86% | 759 mm Hg | SW 214° 5 (11.61) m/s | 0 |
| 01:00 |  Light rain shower | 12 °C | 42% (0.23 mm/hr) | 86% | 89% | 759 mm Hg | SW 227° 3.81 (9.72) m/s | 0 |
| 02:00 | Clear | 11 °C | 16% | 12% | 92% | 761 mm Hg | W 277° 4.5 (10.81) m/s | 0 |
| 03:00 |  Thundery outbreaks possible | 11 °C | 35% (0.11 mm/hr) | 64% | 94% | 761 mm Hg | W 278° 4.5 (10.61) m/s | 0 |
| 04:00 |  Partly cloudy | 11 °C | 20% | 56% | 90% | 761 mm Hg | WNW 288° 4.5 (10.22) m/s | 0 |
| 05:00 | Clear | 10 °C | 14% | 12% | 90% | 763 mm Hg | WNW 296° 5 (11.22) m/s | 0 |
| 06:00 | Clear | 10 °C | 14% | 3% | 91% | 764 mm Hg | WNW 284° 4.19 (11.89) m/s | 0 |
| 07:00 | Clear | 9 °C | 14% | 0% | 92% | 764 mm Hg | W 281° 4.39 (12.22) m/s | 0 |
| 08:00 |  Sunny | 9 °C | 14% | 0% | 92% | 765 mm Hg | W 279° 4.5 (11.86) m/s | 0 |
| 09:00 | Sunny | 10 °C | 13% | 0% | 89% | 766 mm Hg | W 281° 4.19 (11.22) m/s | 0.2 |
| 10:00 | Sunny | 11 °C | 11% | 0% | 85% | 766 mm Hg | WNW 282° 4.11 (10.42) m/s | 0.6 |
| 11:00 | Sunny | 12 °C | 9% | 0% | 78% | 767 mm Hg | WNW 283° 4.31 (9.5) m/s | 1 |
| 12:00 | Sunny | 13 °C | 5% | 0% | 68% | 768 mm Hg | WNW 292° 3.81 (6.69) m/s | 1.4 |
| 13:00 | Sunny | 14 °C | 4% | 0% | 62% | 769 mm Hg | WNW 287° 3.69 (5.92) m/s | 1.7 |
| 14:00 | Sunny | 15 °C | 3% | 0% | 58% | 770 mm Hg | WNW 284° 3.61 (5.61) m/s | 1.6 |
| 15:00 | Sunny | 15 °C | 3% | 0% | 57% | 770 mm Hg | W 279° 3.61 (5.5) m/s | 1.3 |
| 16:00 | Sunny | 15 °C | 3% | 0% | 60% | 770 mm Hg | W 272° 3.19 (5.31) m/s | 0.9 |
| 17:00 | Sunny | 15 °C | 4% | 0% | 65% | 770 mm Hg | W 264° 2.61 (4.94) m/s | 0.5 |
| 18:00 | Sunny | 14 °C | 7% | 0% | 73% | 770 mm Hg | W 261° 2.39 (4.5) m/s | 0.2 |
| 19:00 | Sunny | 12 °C | 9% | 0% | 79% | 770 mm Hg | W 261° 2.5 (3.53) m/s | 0 |
| 20:00 | Clear | 11 °C | 10% | 0% | 83% | 771 mm Hg | W 260° 2.5 (4.83) m/s | 0 |
| 21:00 | Clear | 10 °C | 12% | 2% | 86% | 772 mm Hg | W 263° 2.5 (5.47) m/s | 0 |
| 22:00 | Clear | 10 °C | 12% | 0% | 88% | 772 mm Hg | W 265° 2.39 (4.5) m/s | 0 |
| 23:00 | Clear | 9 °C | 13% | 0% | 89% | 772 mm Hg | W 265° 2.19 (4.22) m/s | 0 |
Sun, Sep 27, 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 9 to 16 °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 50%. 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 9 to 16 °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 5 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 50%) 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 50% 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 1.7; 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.