5-day weather forecast Helsinki 04-09-2026
Weather forecast Helsinki today 04.09.2026: patchy rain possible, temperature from 11 °C to 17 °C.
Precipitation probability 40%. Wind up to 3.61 m/s (gusts 8.11 m/s). Air humidity 55–92%, atmospheric pressure 747–754 mm Hg, UV index up to 2.6.
Weather Alerts
Hide alertsYellow wind warning for land areas: Locally in over the whole country, Sun 0.00 - Mon 0.00
Wind warning for land areas
Wind warning for land areas: Probability for strong winds from northwest is 20% from the night between Saturday and Sunday to the night between Sunday and Monday. Wind gusts can exceed 15 m/s.
Yellow wind warning for land areas: Locally in over the whole country, Sun 0.00 - Mon 0.00
Wind warning for land areas
Wind warning for land areas: Probability for strong winds from northwest is 20% from the night between Saturday and Sunday to the night between Sunday and Monday. Wind gusts can exceed 15 m/s.
5 days at a glance — tap a day to open it
Sunrise 06:22
Sunset 20:16
Sunset 20:16
Last Quarter39% illuminated
Moonrise 20:50 · Moonset 17:12
Moonrise 20:50 · Moonset 17:12
Chart
Table
Fri, Sep 4, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 11 °C | 11% | 0% | 84% | 754 mm Hg | SW 233° 2.69 (7.31) m/s | 0 |
| 01:00 | Clear | 12 °C | 11% | 0% | 84% | 753 mm Hg | SW 229° 2.61 (7.39) m/s | 0 |
| 02:00 |  Patchy rain possible | 12 °C | 24% (0.02 mm/hr) | 80% | 85% | 753 mm Hg | SW 224° 2.69 (8.11) m/s | 0 |
| 03:00 | Clear | 12 °C | 11% | 0% | 85% | 752 mm Hg | SW 223° 2.5 (5.33) m/s | 0 |
| 04:00 | Patchy rain possible | 12 °C | 31% (0.09 mm/hr) | 82% | 85% | 752 mm Hg | SSW 211° 2.61 (4.5) m/s | 0 |
| 05:00 | Patchy rain possible | 12 °C | 40% (0.21 mm/hr) | 83% | 88% | 752 mm Hg | SSW 200° 2.89 (5.44) m/s | 0 |
| 06:00 | Patchy rain possible | 11 °C | 32% (0.01 mm/hr) | 100% | 91% | 751 mm Hg | S 188° 2.81 (4.81) m/s | 0 |
| 07:00 |  Patchy rain possible | 12 °C | 37% (0.06 mm/hr) | 100% | 92% | 750 mm Hg | S 175° 2.5 (4.72) m/s | 0 |
| 08:00 | Patchy rain possible | 13 °C | 30% (0.06 mm/hr) | 78% | 89% | 750 mm Hg | S 173° 2.5 (4.94) m/s | 0.2 |
| 09:00 | Patchy rain possible | 14 °C | 37% (0.14 mm/hr) | 100% | 82% | 750 mm Hg | S 173° 3 (3.75) m/s | 0.7 |
| 10:00 | Patchy rain possible | 14 °C | 31% (0.1 mm/hr) | 100% | 77% | 749 mm Hg | SSE 160° 2.39 (2.72) m/s | 1.2 |
| 11:00 | Patchy rain possible | 14 °C | 21% (0.02 mm/hr) | 100% | 71% | 749 mm Hg | SE 126° 1.89 (2.11) m/s | 1.9 |
| 12:00 |  Overcast | 15 °C | 16% | 100% | 65% | 749 mm Hg | ESE 117° 2.11 (2.11) m/s | 2.5 |
| 13:00 | Overcast | 16 °C | 15% | 100% | 62% | 749 mm Hg | ESE 116° 1.89 (2.03) m/s | 2.6 |
| 14:00 | Overcast | 17 °C | 14% | 100% | 58% | 749 mm Hg | SE 125° 1.69 (1.92) m/s | 2.5 |
| 15:00 |  Partly cloudy | 17 °C | 8% | 61% | 56% | 748 mm Hg | SE 143° 1.61 (2.42) m/s | 2.2 |
| 16:00 | Partly cloudy | 17 °C | 5% | 34% | 55% | 748 mm Hg | S 170° 2 (2.72) m/s | 1.6 |
| 17:00 | Patchy rain possible | 16 °C | 10% (0.01 mm/hr) | 64% | 63% | 748 mm Hg | S 188° 3 (8) m/s | 1 |
| 18:00 | Patchy rain possible | 14 °C | 23% (0.07 mm/hr) | 84% | 74% | 748 mm Hg | SW 222° 3.61 (5.42) m/s | 0.5 |
| 19:00 | Partly cloudy | 14 °C | 12% | 37% | 78% | 748 mm Hg | SW 229° 2.89 (5.75) m/s | 0.2 |
| 20:00 | Patchy rain possible | 13 °C | 27% (0.04 mm/hr) | 83% | 85% | 748 mm Hg | SW 236° 2.31 (3.5) m/s | 0 |
| 21:00 | Patchy rain possible | 12 °C | 21% (0.02 mm/hr) | 58% | 88% | 748 mm Hg | WSW 251° 2.5 (6.03) m/s | 0 |
| 22:00 |  Overcast | 12 °C | 28% | 100% | 86% | 748 mm Hg | W 265° 2.5 (7.39) m/s | 0 |
| 23:00 | Patchy rain possible | 11 °C | 25% (0.01 mm/hr) | 100% | 81% | 747 mm Hg | W 279° 2.61 (7.22) m/s | 0 |
Fri, Sep 4, 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 6 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 81%. 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 6 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 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 81%) 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.