5-day weather forecast Helsinki Sep 26, 2026
13°Weather forecast Helsinki today Sep 26, 2026: light rain shower, temperature from 12 °C to 14 °C.
Precipitation probability 86%. Wind up to 7 m/s (gusts 13.11 m/s). Air humidity 86–97%, atmospheric pressure 758–760 mm Hg, UV index up to 1.4.
Weather Alerts
Yellow wind warning for sea area: Western Gulf of Finland, Sat 19.00 - Sun 0.00
Wind warning for sea areas
Wind warning for sea areas: South near gale 15 m/s in the evening.
Yellow wind warning for sea area: Western Gulf of Finland, Sun 0.00 - 5.00
Wind warning for sea areas
Strong wind advisory: Southwest wind 13 m/s by night.
Yellow wind warning for sea area: Western Gulf of Finland, Sun 0.00 - 6.00
Wind warning for sea areas
Strong wind advisory: West wind 12 m/s by night.
Yellow wind warning for sea area: Western Gulf of Finland, Sat 19.00 - Sun 0.00
Wind warning for sea areas
Wind warning for sea areas: Southwest near gale 14 m/s in the evening.
5 days at a glance — tap a day to open it
Sunrise 07:14
Sunset 19:08
Sunset 19:08
Full Moon99% illuminated
Moonrise 18:39 · Moonset 06:57
Moonrise 18:39 · Moonset 06:57
Chart
Table
Sat, Sep 26, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 12 °C | 41% (0.08 mm/hr) | 100% | 95% | 758 mm Hg | SSE 154° 5.81 (9.61) m/s | 0 |
| 01:00 | Patchy rain possible | 12 °C | 39% (0.06 mm/hr) | 100% | 95% | 758 mm Hg | SSE 154° 5.69 (9.11) m/s | 0 |
| 02:00 | Patchy rain possible | 12 °C | 43% (0.09 mm/hr) | 100% | 95% | 758 mm Hg | SSE 161° 5.5 (8.92) m/s | 0 |
| 03:00 | Patchy rain possible | 12 °C | 37% (0.03 mm/hr) | 100% | 96% | 758 mm Hg | SSE 164° 5.39 (8.83) m/s | 0 |
| 04:00 | Patchy rain possible | 12 °C | 34% (0.04 mm/hr) | 89% | 96% | 758 mm Hg | SSE 165° 5.11 (8.25) m/s | 0 |
| 05:00 | Light rain shower | 12 °C | 78% (1.25 mm/hr) | 100% | 97% | 758 mm Hg | SSE 161° 5 (8.31) m/s | 0 |
| 06:00 | Light rain shower | 13 °C | 65% (0.62 mm/hr) | 86% | 96% | 758 mm Hg | S 184° 4.81 (8.53) m/s | 0 |
| 07:00 | Light rain shower | 12 °C | 49% (0.31 mm/hr) | 76% | 96% | 758 mm Hg | SSW 193° 3.5 (6.92) m/s | 0 |
| 08:00 |  Light rain shower | 12 °C | 63% (0.44 mm/hr) | 100% | 96% | 758 mm Hg | SSW 199° 3.31 (7.83) m/s | 0 |
| 09:00 | Light rain shower | 13 °C | 48% (0.21 mm/hr) | 97% | 95% | 758 mm Hg | SSW 194° 4.81 (8.5) m/s | 0.1 |
| 10:00 | Light rain shower | 13 °C | 59% (0.39 mm/hr) | 100% | 95% | 759 mm Hg | SSW 192° 5.11 (8.61) m/s | 0.2 |
| 11:00 | Light rain shower | 13 °C | 59% (0.41 mm/hr) | 100% | 92% | 759 mm Hg | SSW 206° 5.31 (9.92) m/s | 0.5 |
| 12:00 | Light rain shower | 13 °C | 47% (0.21 mm/hr) | 100% | 92% | 759 mm Hg | SSW 203° 6.19 (10.81) m/s | 0.6 |
| 13:00 |  Patchy rain possible | 13 °C | 42% (0.14 mm/hr) | 100% | 90% | 760 mm Hg | SSW 198° 6 (10.31) m/s | 1.4 |
| 14:00 | Light rain shower | 14 °C | 46% (0.22 mm/hr) | 100% | 89% | 760 mm Hg | S 191° 6 (10.61) m/s | 1.3 |
| 15:00 | Light rain shower | 14 °C | 65% (0.65 mm/hr) | 100% | 90% | 760 mm Hg | S 191° 6.5 (11.33) m/s | 0.6 |
| 16:00 | Patchy rain possible | 13 °C | 43% (0.12 mm/hr) | 100% | 92% | 760 mm Hg | S 191° 6 (11.11) m/s | 0.2 |
| 17:00 | Light rain shower | 14 °C | 53% (0.32 mm/hr) | 100% | 92% | 759 mm Hg | SSW 197° 6.19 (11.69) m/s | 0.1 |
| 18:00 | Light rain shower | 14 °C | 52% (0.28 mm/hr) | 100% | 92% | 759 mm Hg | SSW 196° 6.61 (12.31) m/s | 0.1 |
| 19:00 | Light rain shower | 13 °C | 80% (1.64 mm/hr) | 100% | 94% | 759 mm Hg | SSW 196° 7 (13.11) m/s | 0 |
| 20:00 |  Moderate or heavy rain shower | 13 °C | 86% (2.79 mm/hr) | 100% | 94% | 759 mm Hg | SW 223° 6.69 (12) m/s | 0 |
| 21:00 | Light rain shower | 13 °C | 72% (0.93 mm/hr) | 100% | 90% | 759 mm Hg | SW 226° 5.39 (11.11) m/s | 0 |
| 22:00 | Patchy rain possible | 13 °C | 35% (0.05 mm/hr) | 100% | 90% | 760 mm Hg | SW 214° 5.69 (11.72) m/s | 0 |
| 23:00 |  Clear | 13 °C | 12% | 0% | 86% | 760 mm Hg | SW 222° 5.31 (11.42) m/s | 0 |
Sat, Sep 26, 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 8 to 16 °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 86%. 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 8 to 16 °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 7 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 86%) 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 86% 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 1.4; 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.