5-day weather forecast Helsinki Oct 4, 2026
10°Weather forecast Helsinki today Oct 4, 2026: mist, temperature from 9 °C to 14 °C.
Precipitation probability 79%. Wind up to 5.39 m/s (gusts 10.11 m/s). Air humidity 83–95%, atmospheric pressure 760–767 mm Hg, UV index up to 0.8.
5 days at a glance — tap a day to open it
Sunrise 07:33
Sunset 18:44
Sunset 18:44
Last Quarter34% illuminated
Moonrise 22:34 · Moonset 17:33
Moonrise 22:34 · Moonset 17:33
Chart
Table
Sun, Oct 4, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Mist | 10 °C | 38% | 100% | 95% | 767 mm Hg | W 263° 2.39 (6.11) m/s | 0 |
| 01:00 | Mist | 10 °C | 25% | 45% | 95% | 767 mm Hg | WSW 250° 2.31 (6.03) m/s | 0 |
| 02:00 | Mist | 10 °C | 20% | 5% | 95% | 767 mm Hg | WSW 243° 2.31 (6.31) m/s | 0 |
| 03:00 | Mist | 10 °C | 21% | 14% | 95% | 766 mm Hg | WSW 241° 2.31 (6.19) m/s | 0 |
| 04:00 |  Clear | 10 °C | 15% | 5% | 94% | 766 mm Hg | WSW 250° 2.39 (7.53) m/s | 0 |
| 05:00 | Overcast | 10 °C | 31% | 96% | 94% | 765 mm Hg | WSW 244° 2.39 (7.5) m/s | 0 |
| 06:00 | Overcast | 10 °C | 32% | 100% | 94% | 765 mm Hg | SW 236° 2.5 (7) m/s | 0 |
| 07:00 |  Cloudy | 10 °C | 24% | 63% | 94% | 764 mm Hg | WSW 237° 2.69 (7.83) m/s | 0 |
| 08:00 |  Mist | 10 °C | 36% | 91% | 95% | 764 mm Hg | WSW 237° 2.81 (8.89) m/s | 0 |
| 09:00 |  Overcast | 12 °C | 31% | 100% | 92% | 764 mm Hg | SW 232° 3.19 (10.11) m/s | 0.2 |
| 10:00 | Overcast | 13 °C | 28% | 100% | 87% | 764 mm Hg | SW 228° 3.89 (9.81) m/s | 0.4 |
| 11:00 | Overcast | 14 °C | 26% | 100% | 84% | 763 mm Hg | SW 226° 4.5 (9.61) m/s | 0.7 |
| 12:00 | Overcast | 14 °C | 26% | 100% | 83% | 763 mm Hg | SW 229° 4.61 (9.42) m/s | 0.8 |
| 13:00 |  Patchy rain possible | 14 °C | 34% (0.07 mm/hr) | 100% | 86% | 762 mm Hg | SW 224° 4.39 (9.11) m/s | 0.5 |
| 14:00 |  Light rain shower | 14 °C | 51% (0.33 mm/hr) | 100% | 88% | 762 mm Hg | SW 220° 5 (9.64) m/s | 0.5 |
| 15:00 |  Light rain | 14 °C | 79% (2.07 mm/hr) | 100% | 87% | 761 mm Hg | SW 223° 5.39 (9.89) m/s | 0.8 |
| 16:00 | Light rain shower | 13 °C | 43% (0.16 mm/hr) | 100% | 89% | 761 mm Hg | SW 229° 3.69 (7.61) m/s | 0.1 |
| 17:00 | Patchy rain possible | 12 °C | 34% (0.16 mm/hr) | 74% | 86% | 761 mm Hg | WSW 251° 4.61 (8.89) m/s | 0.2 |
| 18:00 |  Sunny | 12 °C | 12% | 5% | 86% | 760 mm Hg | WSW 253° 3.5 (7.83) m/s | 0 |
| 19:00 | Clear | 10 °C | 14% | 5% | 91% | 760 mm Hg | WSW 257° 2.31 (2.81) m/s | 0 |
| 20:00 | Clear | 10 °C | 15% | 5% | 94% | 760 mm Hg | W 265° 2.39 (5.81) m/s | 0 |
| 21:00 | Mist | 9 °C | 32% | 78% | 95% | 760 mm Hg | W 277° 3.31 (8.11) m/s | 0 |
| 22:00 | Cloudy | 9 °C | 28% | 81% | 94% | 760 mm Hg | WNW 296° 4.11 (9.39) m/s | 0 |
| 23:00 | Cloudy | 9 °C | 26% | 82% | 91% | 760 mm Hg | WNW 289° 3.61 (8.92) m/s | 0 |
Sun, Oct 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 7 to 15 °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 87%. 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 7 to 15 °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 87%) 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 87% 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 0.8; 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.