5-day weather forecast Helsinki 26-08-2026
Weather forecast Helsinki today 26.08.2026: overcast, temperature from 14 °C to 21 °C.
Precipitation probability 23%. Wind up to 2.81 m/s (gusts 5.11 m/s). Air humidity 50–79%, atmospheric pressure 767–770 mm Hg, UV index up to 3.6.
5 days at a glance — tap a day to open it
Sunrise 06:00
Sunset 20:43
Sunset 20:43
Full Moon100% illuminated
Moonrise 20:29 · Moonset 03:32
Moonrise 20:29 · Moonset 03:32
Chart
Table
Wed, Aug 26, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 15 °C | 20% | 100% | 73% | 767 mm Hg | NNW 328° 2.19 (4.11) m/s | 0 |
| 01:00 | Overcast | 15 °C | 21% | 100% | 75% | 767 mm Hg | NW 324° 2.39 (5.11) m/s | 0 |
| 02:00 | Overcast | 14 °C | 21% | 100% | 75% | 767 mm Hg | NNW 330° 2.39 (4.81) m/s | 0 |
| 03:00 | Overcast | 14 °C | 20% | 100% | 74% | 767 mm Hg | NNW 332° 2.31 (4.42) m/s | 0 |
| 04:00 | Overcast | 14 °C | 21% | 100% | 74% | 767 mm Hg | NNW 337° 2.19 (4.53) m/s | 0 |
| 05:00 | Overcast | 14 °C | 21% | 100% | 75% | 767 mm Hg | NNW 331° 2 (3.5) m/s | 0 |
| 06:00 | Overcast | 14 °C | 22% | 100% | 77% | 767 mm Hg | NW 324° 1.89 (3.42) m/s | 0 |
| 07:00 |  Overcast | 15 °C | 23% | 100% | 78% | 768 mm Hg | NW 319° 2.11 (4.03) m/s | 0.1 |
| 08:00 | Overcast | 15 °C | 23% | 100% | 79% | 768 mm Hg | NW 316° 2 (4.61) m/s | 0.2 |
| 09:00 | Overcast | 15 °C | 23% | 100% | 79% | 768 mm Hg | NW 317° 1.81 (5.03) m/s | 0.4 |
| 10:00 | Overcast | 15 °C | 23% | 100% | 78% | 769 mm Hg | NW 315° 1.69 (4.81) m/s | 1.1 |
| 11:00 | Overcast | 16 °C | 21% | 100% | 75% | 769 mm Hg | NW 322° 1.89 (3.72) m/s | 1.7 |
| 12:00 |  Sunny | 20 °C | 3% | 5% | 57% | 768 mm Hg | N 10° 1.31 (1.81) m/s | 3.1 |
| 13:00 | Sunny | 21 °C | 2% | 5% | 52% | 768 mm Hg | NNE 15° 0.69 (1.39) m/s | 3.6 |
| 14:00 |  Partly cloudy | 21 °C | 6% | 54% | 50% | 768 mm Hg | SSE 164° 0.31 (1.19) m/s | 3.5 |
| 15:00 | Overcast | 20 °C | 13% | 98% | 54% | 769 mm Hg | S 188° 1.69 (2.22) m/s | 3 |
| 16:00 |  Patchy rain possible | 18 °C | 19% (0.02 mm/hr) | 99% | 68% | 769 mm Hg | SSW 197° 2.81 (3.19) m/s | 1.9 |
| 17:00 | Overcast | 17 °C | 21% | 100% | 74% | 769 mm Hg | SW 216° 2.39 (4.72) m/s | 1 |
| 18:00 | Overcast | 17 °C | 19% | 100% | 72% | 769 mm Hg | SW 228° 2 (4.14) m/s | 0.4 |
| 19:00 | Overcast | 17 °C | 20% | 100% | 72% | 769 mm Hg | SW 236° 2 (3.83) m/s | 0.1 |
| 20:00 | Overcast | 17 °C | 20% | 100% | 73% | 769 mm Hg | WSW 248° 1.89 (3) m/s | 0 |
| 21:00 | Overcast | 16 °C | 20% | 100% | 73% | 769 mm Hg | W 264° 1.69 (1.81) m/s | 0 |
| 22:00 | Overcast | 16 °C | 19% | 97% | 73% | 770 mm Hg | WNW 284° 1.69 (1.69) m/s | 0 |
| 23:00 | Overcast | 16 °C | 18% | 90% | 73% | 770 mm Hg | WNW 299° 1.5 (1.5) m/s | 0 |
Wed, Aug 26, 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 14 to 21 °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 76%. 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 14 to 21 °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 76%) 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.