5-day weather forecast Helsinki 22-08-2026
Weather forecast Helsinki today 22.08.2026: overcast, temperature from 14 °C to 18 °C.
Precipitation probability 87%. Wind up to 8.81 m/s (gusts 16.53 m/s). Air humidity 71–97%, atmospheric pressure 746–756 mm Hg, UV index up to 2.7.
Weather Alerts
Hide alertsYellow wave height warning: Western Gulf of Finland, Sat 21.00 - Sun 0.00
Wave height warning
Wave height warning: Rough waves occur in the late evening. Significant wave height exceeds 3 meters.
Orange wave height warning: Western Gulf of Finland, Sun 0.00 - 6.00
Wave height warning
Wave height warning: Very rough waves occur by night. Significant wave height exceeds 4 meters.
Yellow wave height warning: Western Gulf of Finland, Sat 21.00 - Sun 0.00
Wave height warning
Wave height warning: Rough waves occur in the late evening. Significant wave height exceeds 3 meters.
Orange wave height warning: Western Gulf of Finland, Sun 0.00 - 6.00
Wave height warning
Wave height warning: Very rough waves occur by night. Significant wave height exceeds 4 meters.
Yellow wave height warning: Western Gulf of Finland, Sat 21.00 - Sun 0.00
Wave height warning
Wave height warning: Rough waves occur in the late evening. Significant wave height exceeds 3 meters.
5 days at a glance — tap a day to open it
Sunrise 05:51
Sunset 20:55
Sunset 20:55
Waxing Gibbous78% illuminated
Moonrise 19:58 · Moonset 23:02
Moonrise 19:58 · Moonset 23:02
Chart
Table
Sat, Aug 22, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 15 °C | 58% (0.52 mm/hr) | 82% | 91% | 756 mm Hg | SSW 199° 1.81 (3) m/s | 0 |
| 01:00 |  Patchy rain possible | 14 °C | 38% (0.07 mm/hr) | 96% | 93% | 756 mm Hg | S 179° 1.89 (2.5) m/s | 0 |
| 02:00 |  Mist | 14 °C | 21% | 14% | 95% | 756 mm Hg | S 171° 1.81 (2.11) m/s | 0 |
| 03:00 | Mist | 14 °C | 48% (0.13 mm/hr) | 91% | 95% | 756 mm Hg | S 170° 1.19 (1.5) m/s | 0 |
| 04:00 | Mist | 14 °C | 37% | 96% | 96% | 756 mm Hg | S 177° 1.61 (1.86) m/s | 0 |
| 05:00 | Mist | 14 °C | 28% | 56% | 96% | 756 mm Hg | SSW 192° 1.61 (1.81) m/s | 0 |
| 06:00 |  Mist | 14 °C | 39% | 100% | 97% | 756 mm Hg | S 186° 1.31 (1.47) m/s | 0 |
| 07:00 | Mist | 15 °C | 39% | 100% | 96% | 756 mm Hg | S 170° 1.69 (2.42) m/s | 0.1 |
| 08:00 |  Overcast | 16 °C | 31% | 100% | 92% | 756 mm Hg | S 172° 1.31 (2.61) m/s | 0.4 |
| 09:00 | Overcast | 17 °C | 27% | 99% | 86% | 756 mm Hg | SSE 162° 1.61 (2.33) m/s | 0.9 |
| 10:00 | Overcast | 18 °C | 23% | 100% | 79% | 756 mm Hg | SE 145° 1.69 (2.11) m/s | 1.6 |
| 11:00 | Overcast | 18 °C | 21% | 100% | 75% | 755 mm Hg | SE 125° 2.19 (2.75) m/s | 2 |
| 12:00 | Overcast | 18 °C | 20% | 100% | 73% | 755 mm Hg | E 97° 2.61 (3.36) m/s | 2.4 |
| 13:00 | Overcast | 18 °C | 19% | 100% | 72% | 755 mm Hg | E 96° 3.19 (4.61) m/s | 2.7 |
| 14:00 | Overcast | 18 °C | 19% | 100% | 72% | 755 mm Hg | E 97° 3.69 (5.53) m/s | 2.2 |
| 15:00 | Overcast | 18 °C | 19% | 100% | 71% | 754 mm Hg | E 83° 3.61 (5.83) m/s | 1.3 |
| 16:00 |  Patchy rain possible | 17 °C | 31% (0.1 mm/hr) | 100% | 78% | 753 mm Hg | ENE 70° 3.5 (6.81) m/s | 0.8 |
| 17:00 | Patchy rain possible | 17 °C | 36% (0.13 mm/hr) | 100% | 82% | 752 mm Hg | NE 49° 4.11 (8.33) m/s | 0.5 |
| 18:00 |  Moderate rain | 16 °C | 86% (4.24 mm/hr) | 100% | 88% | 752 mm Hg | ENE 58° 4.39 (9.42) m/s | 0.2 |
| 19:00 |  Light rain shower | 15 °C | 82% (1.98 mm/hr) | 100% | 95% | 751 mm Hg | NE 52° 5 (10.53) m/s | 0.1 |
| 20:00 | Light rain shower | 14 °C | 80% (1.65 mm/hr) | 100% | 96% | 750 mm Hg | NE 42° 5.5 (11.92) m/s | 0 |
| 21:00 | Light rain shower | 14 °C | 81% (1.91 mm/hr) | 100% | 94% | 749 mm Hg | NE 37° 6.69 (15.14) m/s | 0 |
| 22:00 | Light rain shower | 14 °C | 63% (0.52 mm/hr) | 100% | 92% | 748 mm Hg | NE 35° 7.5 (16.31) m/s | 0 |
| 23:00 |  Moderate rain | 14 °C | 87% (3.6 mm/hr) | 100% | 92% | 746 mm Hg | NNE 30° 8.81 (16.53) m/s | 0 |
Sat, Aug 22, 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 91%. 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 9 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 91%) 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.