5-day weather forecast Helsinki 28-04-2026

Weather forecast Helsinki today 28.04.2026: partly cloudy, temperature from 1 °C to 7 °C.

No precipitation expected. Wind up to 8 m/s (gusts 11.25 m/s). Air humidity 36–66%, atmospheric pressure 761–766 mm Hg, UV index up to 2.6.

Sunrise 05:26
Sunset 21:12

Waxing Gibbous87% illuminated
Moonrise 17:24 · Moonset 04:38

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Table

Tue, Apr 28, 2026

Wed, Apr 29 →

Forecast from 1 °C to 7 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	3	3	2	2	1	1	1	1	2	3	3	4	5	6	6	6	7	7	7	7	6	5	4	3
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	26	24	14	10	10	7	7	6	3	2	20	30	87	98	55	25	64	48	48	44	45	41	28	25
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	7.19	7.31	7.39	7.31	7.39	7.31	7.61	7.81	8	7.89	7.89	7.5	7.31	6.89	6.81	6.5	6.11	5.69	5.11	4.61	4.19	3.81	4.31	5.31
Wind gust (m/s)	11.17	11.22	11.25	11.06	11.08	10.94	11.19	10.78	10.17	9.53	9.56	8.83	8.53	8.33	8.72	8.5	8.31	7.86	7.33	6.83	6.75	6.69	7.53	8.78
Wind direction (°)	NNW 344°	NNW 340°	NNW 338°	NNW 337°	NNW 336°	NNW 337°	NNW 337°	NNW 338°	NNW 337°	NNW 339°	NNW 345°	NNW 348°	NNW 346°	NNW 345°	NNW 348°	N 353°	N 358°	N 3°	N 10°	NNE 14°	N 8°	N 355°	NNW 340°	NNW 334°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	57	56	56	58	60	62	66	65	60	55	50	44	40	39	40	36	40	39	39	41	43	47	50	53

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	761	761	761	762	762	763	763	763	763	763	763	763	763	763	763	764	764	764	764	764	764	765	766	766

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.2	0.5	0.9	1.5	2.1	2.5	2.6	2.2	2	1.4	1	0.6	0.3	0.1	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	3.3	3.1	3	2.7	2.7	2.5	2.4	2.4	2.4	2.3	2.3	2.4	2.4	2.4	2.8	3	3.5	4.1	4.3	4.2	4.2	4.2	4.1	4.1
PM10 (µg/m³)	5.1	4.7	4.5	4	4	3.9	3.9	3.7	3.5	3.4	3.5	3.8	4	4.3	4.6	5.1	5.6	5.8	5.9	6.1	6.3	6.4	6.4	6.1
Ozone (O₃) (µg/m³)	80	78	78	76	76	76	75	74	75	74	73	73	79	82	86	89	90	91	93	93	91	89	87	85
NO₂ (µg/m³)	6.1	6	5.2	4.7	4.2	3.9	3.7	3.5	3.5	4	4.4	4.8	4.4	3.8	3.4	3.4	3.6	3.6	3.6	4.2	4.5	5.2	5.7	6.3
SO₂ (µg/m³)	1.9	1.9	1.9	1.7	1.6	1.5	1.5	1.5	1.5	1.5	1.6	1.7	1.6	1.5	1.8	1.8	1.8	2.1	2.2	2.3	2.3	2.4	2.3	2.3
CO (µg/m³)	169.9	169.9	168.9	164.9	163.9	164.9	161.9	159.9	159.9	159.9	166.9	171.9	169.9	168.9	165.9	165.9	164.9	162.9	163.9	165.9	171.9	175.9	175.9	170.9

Tue, Apr 28, 2026

Wed, Apr 29 →

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 1 °C to 7 °C, wind up to 8 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Helsinki today is 0%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Helsinki today reaches up to 8 m/s with gusts up to 11.25 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Helsinki today ranges from 36% to 66%. View the humidity chart above for hourly details.

The UV index in Helsinki today reaches up to 2.6. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Helsinki today ranges from 761 to 766 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Helsinki today reaches up to 98%. Check the cloud cover chart above for hourly details throughout the day.

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.

Learn more about our methodology →