5-day weather forecast Helsinki 25-08-2026
Weather forecast Helsinki today 25.08.2026: sunny, temperature from 10 °C to 20 °C.
Precipitation probability 20%. Wind up to 4 m/s (gusts 10.22 m/s). Air humidity 47–95%, atmospheric pressure 761–766 mm Hg, UV index up to 3.4.
5 days at a glance — tap a day to open it
Sunrise 05:58
Sunset 20:46
Sunset 20:46
Full Moon97% illuminated
Moonrise 20:28 · Moonset 02:00
Moonrise 20:28 · Moonset 02:00
Chart
Table
Tue, Aug 25, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 12 °C | 15% | 5% | 93% | 761 mm Hg | NNW 342° 3.39 (10.22) m/s | 0 |
| 01:00 | Clear | 11 °C | 15% | 5% | 94% | 761 mm Hg | NNW 345° 3.39 (9.72) m/s | 0 |
| 02:00 |  Mist | 11 °C | 20% | 7% | 95% | 762 mm Hg | NNW 344° 3.31 (9.33) m/s | 0 |
| 03:00 | Mist | 11 °C | 20% | 8% | 95% | 762 mm Hg | NNW 342° 3.31 (9.11) m/s | 0 |
| 04:00 | Mist | 11 °C | 20% | 11% | 95% | 762 mm Hg | NNW 342° 3.19 (9.11) m/s | 0 |
| 05:00 | Mist | 11 °C | 20% | 11% | 95% | 762 mm Hg | NNW 342° 3.39 (9.83) m/s | 0 |
| 06:00 |  Sunny | 10 °C | 16% | 8% | 95% | 763 mm Hg | NNW 344° 3.5 (9.83) m/s | 0 |
| 07:00 | Sunny | 10 °C | 15% | 5% | 93% | 763 mm Hg | NNW 346° 3.5 (9.81) m/s | 0.1 |
| 08:00 | Sunny | 12 °C | 12% | 5% | 87% | 764 mm Hg | N 350° 3.5 (9.72) m/s | 0.4 |
| 09:00 | Sunny | 14 °C | 8% | 5% | 76% | 764 mm Hg | N 1° 3.89 (8.5) m/s | 0.9 |
| 10:00 | Sunny | 16 °C | 5% | 0% | 67% | 764 mm Hg | N 4° 4 (7) m/s | 1.6 |
| 11:00 | Sunny | 17 °C | 4% | 0% | 61% | 764 mm Hg | N 5° 3.81 (6.11) m/s | 2.4 |
| 12:00 |  Partly cloudy | 17 °C | 4% | 28% | 54% | 764 mm Hg | N 5° 3.81 (5.61) m/s | 3.1 |
| 13:00 | Sunny | 19 °C | 2% | 11% | 50% | 764 mm Hg | N 0° 3.61 (5.81) m/s | 3.4 |
| 14:00 | Partly cloudy | 19 °C | 4% | 43% | 48% | 764 mm Hg | N 356° 3.19 (5.5) m/s | 3.4 |
| 15:00 |  Cloudy | 20 °C | 9% | 84% | 47% | 764 mm Hg | N 358° 3.11 (5.44) m/s | 2.9 |
| 16:00 |  Overcast | 19 °C | 12% | 99% | 49% | 764 mm Hg | N 5° 2.69 (5.72) m/s | 2.2 |
| 17:00 | Partly cloudy | 19 °C | 4% | 38% | 47% | 765 mm Hg | NNE 13° 2.81 (5.39) m/s | 1.3 |
| 18:00 | Cloudy | 19 °C | 10% | 85% | 52% | 765 mm Hg | NNE 14° 2.19 (5.22) m/s | 0.7 |
| 19:00 | Cloudy | 17 °C | 13% | 83% | 65% | 765 mm Hg | NNW 332° 2.89 (6.75) m/s | 0.3 |
| 20:00 | Sunny | 16 °C | 6% | 5% | 71% | 765 mm Hg | NW 323° 1.89 (2.53) m/s | 0 |
| 21:00 | Clear | 14 °C | 9% | 5% | 77% | 766 mm Hg | NNW 339° 2.31 (2.42) m/s | 0 |
| 22:00 |  Partly cloudy | 13 °C | 12% | 33% | 79% | 766 mm Hg | NNW 348° 2.31 (2.89) m/s | 0 |
| 23:00 | Partly cloudy | 13 °C | 14% | 50% | 80% | 766 mm Hg | N 349° 2.39 (3.53) m/s | 0 |
Tue, Aug 25, 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 22 °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 57%. 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 22 °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 8 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 57%) 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.
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.