5-day weather forecast Helsinki 31-08-2026
Weather forecast Helsinki today 31.08.2026: patchy rain possible, temperature from 15 °C to 18 °C.
Precipitation probability 88%. Wind up to 6.31 m/s (gusts 12.14 m/s). Air humidity 89–98%, atmospheric pressure 753–757 mm Hg, UV index up to 2.4.
Weather Alerts
Hide alertsYellow heavy rain warning: Locally in the western part of the country, Mon 9.00 - 15.00
Heavy rain warning
Heavy rain warning: At noon and in the afternoon heavy rain of more than 20 mm per hour can be expected.
Yellow heavy rain warning: Locally in the western part of the country, Mon 9.00 - 15.00
Heavy rain warning
Heavy rain warning: At noon and in the afternoon heavy rain of more than 20 mm per hour can be expected.
5 days at a glance — tap a day to open it
Sunrise 06:12
Sunset 20:28
Sunset 20:28
Waning Gibbous80% illuminated
Moonrise 20:25 · Moonset 10:40
Moonrise 20:25 · Moonset 10:40
Chart
Table
Mon, Aug 31, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Cloudy | 16 °C | 22% | 64% | 91% | 757 mm Hg | S 185° 2.61 (7.61) m/s | 0 |
| 01:00 |  Overcast | 16 °C | 27% | 88% | 89% | 756 mm Hg | S 191° 3.69 (9.11) m/s | 0 |
| 02:00 |  Patchy rain possible | 16 °C | 30% (0.01 mm/hr) | 100% | 89% | 756 mm Hg | S 182° 3.31 (8.11) m/s | 0 |
| 03:00 | Overcast | 16 °C | 28% | 92% | 90% | 756 mm Hg | SSE 161° 3.69 (8.03) m/s | 0 |
| 04:00 | Overcast | 16 °C | 31% | 100% | 92% | 755 mm Hg | SSE 158° 3.69 (8.5) m/s | 0 |
| 05:00 | Overcast | 16 °C | 30% | 100% | 91% | 755 mm Hg | S 172° 4.61 (9.72) m/s | 0 |
| 06:00 | Overcast | 16 °C | 32% | 100% | 93% | 755 mm Hg | S 179° 4.5 (8.92) m/s | 0 |
| 07:00 |  Moderate rain | 15 °C | 88% (3.38 mm/hr) | 100% | 98% | 755 mm Hg | SSE 163° 4.11 (8.03) m/s | 0 |
| 08:00 |  Light rain shower | 15 °C | 72% (0.75 mm/hr) | 100% | 97% | 754 mm Hg | S 172° 5.81 (11.42) m/s | 0 |
| 09:00 | Light rain shower | 16 °C | 57% (0.35 mm/hr) | 100% | 95% | 754 mm Hg | S 182° 5.39 (10.22) m/s | 0.2 |
| 10:00 | Light rain shower | 16 °C | 77% (1.03 mm/hr) | 100% | 96% | 754 mm Hg | S 179° 4.81 (9.72) m/s | 0.3 |
| 11:00 | Light rain shower | 16 °C | 79% (1.36 mm/hr) | 100% | 97% | 753 mm Hg | S 186° 5.81 (12.11) m/s | 0.2 |
| 12:00 | Light rain shower | 16 °C | 77% (1.08 mm/hr) | 100% | 96% | 753 mm Hg | SSW 197° 6.31 (12.14) m/s | 0.4 |
| 13:00 |  Patchy rain possible | 17 °C | 46% (0.14 mm/hr) | 100% | 96% | 754 mm Hg | SSW 203° 5.81 (10.94) m/s | 0.6 |
| 14:00 | Patchy rain possible | 17 °C | 29% (0.06 mm/hr) | 62% | 94% | 754 mm Hg | SW 221° 5.61 (11) m/s | 0.9 |
| 15:00 | Light rain shower | 18 °C | 40% (0.28 mm/hr) | 66% | 89% | 754 mm Hg | SW 224° 5.89 (10.64) m/s | 2.4 |
| 16:00 | Patchy rain possible | 18 °C | 37% (0.16 mm/hr) | 74% | 90% | 754 mm Hg | SW 224° 5.5 (10.11) m/s | 1.7 |
| 17:00 | Light rain shower | 18 °C | 33% (0.2 mm/hr) | 56% | 89% | 755 mm Hg | SW 227° 6.11 (10.53) m/s | 1.2 |
| 18:00 | Patchy rain possible | 17 °C | 33% (0.04 mm/hr) | 96% | 90% | 755 mm Hg | SW 232° 5.69 (10.5) m/s | 0.5 |
| 19:00 | Patchy rain possible | 17 °C | 40% (0.12 mm/hr) | 95% | 91% | 755 mm Hg | SW 235° 5.31 (10.22) m/s | 0.2 |
| 20:00 | Patchy rain possible | 16 °C | 33% (0.02 mm/hr) | 100% | 92% | 755 mm Hg | WSW 240° 4.89 (10.39) m/s | 0 |
| 21:00 | Patchy rain possible | 16 °C | 40% (0.08 mm/hr) | 100% | 92% | 755 mm Hg | WSW 245° 4.5 (9.72) m/s | 0 |
| 22:00 | Overcast | 16 °C | 31% | 100% | 92% | 756 mm Hg | WSW 245° 4.11 (9.42) m/s | 0 |
| 23:00 | Overcast | 15 °C | 33% | 100% | 94% | 756 mm Hg | WSW 239° 3.81 (8.92) m/s | 0 |
Mon, Aug 31, 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 20 °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 88%. 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 20 °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 6 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 88%) 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.