5-day weather forecast Helsinki Sep 16, 2026
16°Weather forecast Helsinki today Sep 16, 2026: overcast, temperature from 12 °C to 17 °C.
Precipitation probability 86%. Wind up to 6.39 m/s (gusts 12.22 m/s). Air humidity 73–96%, atmospheric pressure 750–761 mm Hg, UV index up to 1.2.
5 days at a glance — tap a day to open it
Sunrise 06:50
Sunset 19:39
Sunset 19:39
First Quarter32% illuminated
Moonrise 15:17 · Moonset 19:44
Moonrise 15:17 · Moonset 19:44
Chart
Table
Wed, Sep 16, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 12 °C | 38% (0.13 mm/hr) | 100% | 85% | 761 mm Hg | SSE 164° 2.89 (6.33) m/s | 0 |
| 01:00 | Patchy rain possible | 12 °C | 27% (0.01 mm/hr) | 100% | 85% | 761 mm Hg | SSE 152° 2.69 (6.11) m/s | 0 |
| 02:00 | Patchy rain possible | 12 °C | 36% (0.1 mm/hr) | 100% | 84% | 760 mm Hg | SSE 168° 2.89 (7.11) m/s | 0 |
| 03:00 | Patchy rain possible | 13 °C | 34% (0.08 mm/hr) | 100% | 84% | 760 mm Hg | S 184° 3.39 (7.72) m/s | 0 |
| 04:00 |  Overcast | 13 °C | 26% | 100% | 84% | 759 mm Hg | S 183° 3.61 (8.22) m/s | 0 |
| 05:00 | Overcast | 13 °C | 26% | 100% | 84% | 758 mm Hg | S 177° 4.19 (8.81) m/s | 0 |
| 06:00 | Overcast | 13 °C | 27% | 100% | 86% | 758 mm Hg | SSW 192° 4.61 (9.42) m/s | 0 |
| 07:00 | Overcast | 13 °C | 27% | 94% | 88% | 757 mm Hg | S 186° 4.61 (8.61) m/s | 0 |
| 08:00 |  Cloudy | 13 °C | 23% | 76% | 89% | 758 mm Hg | SSW 204° 5.11 (9.61) m/s | 0.1 |
| 09:00 | Overcast | 14 °C | 28% | 100% | 86% | 757 mm Hg | SSW 192° 4.89 (8.92) m/s | 0.3 |
| 10:00 | Overcast | 14 °C | 26% | 100% | 84% | 756 mm Hg | S 188° 5.39 (9.22) m/s | 0.6 |
| 11:00 | Cloudy | 14 °C | 20% | 75% | 82% | 756 mm Hg | S 189° 5.69 (10.11) m/s | 1.2 |
| 12:00 |  Patchy rain possible | 15 °C | 22% (0.01 mm/hr) | 89% | 79% | 756 mm Hg | SSW 196° 5.81 (10.72) m/s | 0.9 |
| 13:00 | Patchy rain possible | 15 °C | 27% (0.02 mm/hr) | 100% | 82% | 755 mm Hg | S 189° 5 (11.22) m/s | 0.3 |
| 14:00 | Patchy rain possible | 15 °C | 32% (0.06 mm/hr) | 100% | 84% | 755 mm Hg | S 184° 4.19 (11) m/s | 0.3 |
| 15:00 | Patchy rain possible | 15 °C | 27% (0.03 mm/hr) | 100% | 81% | 755 mm Hg | S 186° 4.11 (10.83) m/s | 0.2 |
| 16:00 | Overcast | 16 °C | 23% | 100% | 79% | 754 mm Hg | S 188° 3.81 (10.61) m/s | 0.1 |
| 17:00 | Overcast | 16 °C | 21% | 96% | 77% | 753 mm Hg | SSW 197° 4 (10.92) m/s | 0.1 |
| 18:00 | Overcast | 17 °C | 20% | 99% | 74% | 753 mm Hg | SSW 203° 4.69 (10.81) m/s | 0 |
| 19:00 | Overcast | 17 °C | 20% | 100% | 73% | 752 mm Hg | SSW 194° 5.69 (11.75) m/s | 0 |
| 20:00 | Overcast | 16 °C | 21% | 100% | 75% | 752 mm Hg | S 186° 5.69 (11.94) m/s | 0 |
| 21:00 |  Light rain | 16 °C | 63% (0.8 mm/hr) | 100% | 81% | 752 mm Hg | SSW 196° 6.39 (12.11) m/s | 0 |
| 22:00 | Light rain | 14 °C | 71% (0.76 mm/hr) | 100% | 94% | 751 mm Hg | SSW 195° 5.11 (11.72) m/s | 0 |
| 23:00 |  Moderate rain | 14 °C | 86% (2.67 mm/hr) | 100% | 96% | 750 mm Hg | SSW 201° 5.89 (12.22) m/s | 0 |
Wed, Sep 16, 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 11 to 17 °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 11 to 17 °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 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.
Will I need an umbrella or sunscreen in Helsinki this week?
Rain reaches a 88% 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 1.2; 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.