5-day weather forecast Helsinki Oct 17, 2026
7°Weather forecast Helsinki today Oct 17, 2026: patchy rain possible, temperature from 6 °C to 12 °C.
Precipitation probability 66%. Wind up to 6.39 m/s (gusts 13.94 m/s). Air humidity 79–94%, atmospheric pressure 761–769 mm Hg, UV index up to 0.1.
5 days at a glance — tap a day to open it
Sunrise 08:05
Sunset 18:05
Sunset 18:05
First Quarter47% illuminated
Moonrise 16:42 · Moonset 21:18
Moonrise 16:42 · Moonset 21:18
Chart
Table
Sat, Oct 17, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 12 °C | 30% | 100% | 90% | 763 mm Hg | SSW 205° 5.89 (12.61) m/s | 0 |
| 01:00 |  Patchy rain possible | 12 °C | 31% (0.01 mm/hr) | 100% | 90% | 763 mm Hg | SSW 207° 5.69 (12.22) m/s | 0 |
| 02:00 | Patchy rain possible | 11 °C | 30% (0.01 mm/hr) | 100% | 90% | 763 mm Hg | SSW 208° 5.81 (12.31) m/s | 0 |
| 03:00 | Overcast | 11 °C | 30% | 100% | 90% | 762 mm Hg | SSW 211° 5.81 (12.64) m/s | 0 |
| 04:00 | Overcast | 11 °C | 30% | 100% | 90% | 762 mm Hg | SSW 208° 5.69 (11.92) m/s | 0 |
| 05:00 | Cloudy | 11 °C | 22% | 71% | 89% | 762 mm Hg | SSW 208° 5.81 (12.11) m/s | 0 |
| 06:00 | Overcast | 11 °C | 30% | 100% | 89% | 761 mm Hg | SSW 204° 5.89 (13.42) m/s | 0 |
| 07:00 |  Light drizzle | 11 °C | 66% (0.51 mm/hr) | 100% | 88% | 761 mm Hg | SSW 208° 6.19 (13.94) m/s | 0 |
| 08:00 | Patchy rain possible | 11 °C | 38% (0.1 mm/hr) | 100% | 88% | 761 mm Hg | SW 216° 6.39 (13.69) m/s | 0 |
| 09:00 |  Patchy rain possible | 11 °C | 42% (0.1 mm/hr) | 100% | 92% | 761 mm Hg | SW 217° 6.11 (13.11) m/s | 0 |
| 10:00 | Patchy rain possible | 12 °C | 35% (0.03 mm/hr) | 100% | 93% | 761 mm Hg | SW 221° 6 (12.81) m/s | 0 |
| 11:00 | Patchy rain possible | 12 °C | 39% (0.07 mm/hr) | 100% | 94% | 761 mm Hg | SW 228° 5.39 (10.33) m/s | 0 |
| 12:00 | Patchy rain possible | 12 °C | 43% (0.12 mm/hr) | 100% | 94% | 761 mm Hg | WSW 249° 4.69 (8.33) m/s | 0.1 |
| 13:00 | Patchy rain possible | 10 °C | 28% (0.01 mm/hr) | 100% | 86% | 763 mm Hg | NNW 347° 6.39 (11) m/s | 0.1 |
| 14:00 |  Overcast | 10 °C | 27% | 100% | 85% | 764 mm Hg | NNW 342° 4.11 (9.81) m/s | 0.1 |
| 15:00 | Overcast | 10 °C | 25% | 100% | 81% | 764 mm Hg | N 351° 4.89 (8.94) m/s | 0.1 |
| 16:00 |  Partly cloudy | 10 °C | 14% | 49% | 79% | 765 mm Hg | N 355° 4.89 (9.33) m/s | 0.1 |
| 17:00 | Partly cloudy | 10 °C | 15% | 57% | 79% | 765 mm Hg | NNW 348° 4.39 (9.11) m/s | 0.1 |
| 18:00 |  Sunny | 9 °C | 10% | 6% | 82% | 766 mm Hg | NNW 345° 3.89 (8.69) m/s | 0 |
| 19:00 |  Clear | 8 °C | 12% | 13% | 84% | 767 mm Hg | NNW 339° 3.5 (8.83) m/s | 0 |
| 20:00 | Cloudy | 7 °C | 22% | 80% | 83% | 767 mm Hg | NNW 343° 4.19 (9.81) m/s | 0 |
| 21:00 |  Partly cloudy | 7 °C | 16% | 49% | 84% | 768 mm Hg | NNW 345° 4.11 (9.72) m/s | 0 |
| 22:00 | Partly cloudy | 6 °C | 13% | 25% | 84% | 768 mm Hg | NNW 344° 4.11 (9.53) m/s | 0 |
| 23:00 | Overcast | 6 °C | 27% | 100% | 85% | 769 mm Hg | NNW 347° 4.31 (9.83) m/s | 0 |
Sat, Oct 17, 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 2 to 12 °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 66%. 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 2 to 12 °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 66%) 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 66% 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 0.1; 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.