5-day weather forecast Helsinki 23-08-2026
Weather forecast Helsinki today 23.08.2026: overcast, temperature from 13 °C to 15 °C.
Precipitation probability 76%. Wind up to 8.19 m/s (gusts 16.64 m/s). Air humidity 74–95%, atmospheric pressure 743–754 mm Hg, UV index up to 0.7.
5 days at a glance — tap a day to open it
Sunrise 05:53
Sunset 20:52
Sunset 20:52
Waxing Gibbous86% illuminated
Moonrise 20:18 · Moonset does not set today
Moonrise 20:18 · Moonset does not set today
Chart
Table
Sun, Aug 23, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain | 15 °C | 76% (1.2 mm/hr) | 100% | 92% | 745 mm Hg | NE 38° 8.19 (16.64) m/s | 0 |
| 01:00 |  Light rain shower | 15 °C | 66% (0.58 mm/hr) | 100% | 94% | 744 mm Hg | NNE 32° 7.31 (14.72) m/s | 0 |
| 02:00 | Light rain shower | 15 °C | 52% (0.28 mm/hr) | 100% | 93% | 743 mm Hg | NNE 31° 7.11 (13.72) m/s | 0 |
| 03:00 | Light rain | 14 °C | 76% (0.98 mm/hr) | 100% | 94% | 743 mm Hg | NNE 28° 6.61 (12.83) m/s | 0 |
| 04:00 | Light rain | 14 °C | 76% (1.02 mm/hr) | 100% | 95% | 743 mm Hg | NNE 19° 5.69 (11.61) m/s | 0 |
| 05:00 | Light rain shower | 14 °C | 47% (0.16 mm/hr) | 100% | 95% | 743 mm Hg | NNE 13° 5.39 (11.72) m/s | 0 |
| 06:00 |  Light rain shower | 14 °C | 49% (0.21 mm/hr) | 100% | 95% | 743 mm Hg | N 8° 5.19 (10.81) m/s | 0 |
| 07:00 | Light rain shower | 14 °C | 56% (0.33 mm/hr) | 100% | 95% | 744 mm Hg | N 4° 5.5 (11.11) m/s | 0 |
| 08:00 | Light rain shower | 14 °C | 63% (0.48 mm/hr) | 100% | 94% | 745 mm Hg | N 2° 6 (12.42) m/s | 0.1 |
| 09:00 | Light rain shower | 14 °C | 59% (0.41 mm/hr) | 100% | 93% | 746 mm Hg | N 357° 5.81 (11.61) m/s | 0.2 |
| 10:00 |  Patchy rain possible | 14 °C | 34% (0.03 mm/hr) | 100% | 92% | 746 mm Hg | N 350° 6 (11.69) m/s | 0.2 |
| 11:00 | Patchy rain possible | 14 °C | 36% (0.05 mm/hr) | 100% | 92% | 746 mm Hg | NNW 348° 5.89 (11.42) m/s | 0.5 |
| 12:00 | Patchy rain possible | 14 °C | 33% (0.03 mm/hr) | 100% | 90% | 747 mm Hg | NNW 345° 6.11 (11.22) m/s | 0.7 |
| 13:00 | Patchy rain possible | 14 °C | 36% (0.07 mm/hr) | 100% | 89% | 749 mm Hg | NNW 344° 6.5 (12.22) m/s | 0.5 |
| 14:00 | Patchy rain possible | 13 °C | 33% (0.04 mm/hr) | 100% | 89% | 749 mm Hg | NNW 345° 6.61 (12.14) m/s | 0.5 |
| 15:00 | Patchy rain possible | 13 °C | 29% (0.01 mm/hr) | 100% | 87% | 750 mm Hg | NNW 345° 6.61 (12.5) m/s | 0.6 |
| 16:00 |  Overcast | 13 °C | 27% | 100% | 85% | 750 mm Hg | NNW 345° 6.5 (12.61) m/s | 0.5 |
| 17:00 | Overcast | 14 °C | 25% | 100% | 81% | 751 mm Hg | NNW 343° 6.31 (12.83) m/s | 0.2 |
| 18:00 | Overcast | 14 °C | 23% | 100% | 79% | 752 mm Hg | NNW 340° 6.11 (12.64) m/s | 0.1 |
| 19:00 | Overcast | 14 °C | 22% | 100% | 76% | 752 mm Hg | NNW 333° 5.5 (12.14) m/s | 0.1 |
| 20:00 | Overcast | 15 °C | 20% | 100% | 74% | 753 mm Hg | NNW 327° 4.81 (10.81) m/s | 0 |
| 21:00 |  Overcast | 15 °C | 20% | 100% | 74% | 754 mm Hg | NW 322° 4.69 (10.92) m/s | 0 |
| 22:00 | Overcast | 15 °C | 21% | 100% | 75% | 754 mm Hg | NW 320° 4.5 (11.14) m/s | 0 |
| 23:00 | Overcast | 14 °C | 22% | 100% | 77% | 754 mm Hg | NW 314° 4.5 (11.39) m/s | 0 |
Sun, Aug 23, 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 10 to 21 °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 76%. 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 10 to 21 °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 76%) 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.