5-day weather forecast Helsinki 28-05-2026

Weather forecast Helsinki today 28.05.2026: overcast, temperature from 8 °C to 15 °C.

No precipitation expected. Wind up to 8.31 m/s (gusts 11.47 m/s). Air humidity 38–71%, atmospheric pressure 755–758 mm Hg, UV index up to 4.2.

Sunrise 04:13
Sunset 22:21

Waxing Gibbous96% illuminated
Moonrise 19:43 · Moonset 02:48

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Table

Thu, May 28, 2026

Fri, May 29 →

Forecast from 8 °C to 15 °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)	9	9	9	9	9	9	9	8	10	10	11	12	13	14	14	14	15	14	14	14	13	12	11	10
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 (%)	28	44	99	100	100	100	100	0	64	49	25	20	28	100	100	90	98	64	44	98	76	32	17	8
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)	6.69	6.39	6.11	5.89	5.89	6.61	7.5	7.31	7.11	7.69	7.89	8.19	8.31	8	7.69	7.81	7.61	7	6.31	5.5	6.19	7	6.81	5.81
Wind gust (m/s)	11.14	10.64	10.08	9.64	9.61	10.58	11.44	10.69	9.81	10.06	9.92	10.22	10.69	10.61	10.33	10.42	10.25	10.17	9.19	8.58	10.14	11.42	11.47	10.08
Wind direction (°)	NNW 334°	NNW 331°	NNW 330°	NNW 329°	NW 324°	NNW 330°	NNW 336°	NNW 336°	NNW 335°	NNW 339°	NNW 342°	NNW 345°	NNW 344°	NNW 343°	NNW 344°	NNW 345°	NNW 346°	NNW 347°	N 353°	N 349°	NNW 337°	NNW 332°	NNW 330°	NW 326°

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 (%)	53	55	55	53	53	52	49	71	48	42	39	38	40	40	40	40	39	41	43	45	46	49	53	56

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)	755	755	755	755	755	755	755	755	756	756	757	757	757	757	757	757	757	758	758	758	758	758	758	758

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	0.1	0.4	0.8	1.5	2.5	3.5	4.2	3.4	4.2	2	2.7	1.9	1.3	0.8	0.4	0.1	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)	4	4.4	4.9	4.7	4.2	3.5	3.1	2.9	2.7	3	3.4	3.8	3.7	3.5	3	2.7	2.4	2.4	2.5	2.6	2.5	2.6	2.6	2.6
PM10 (µg/m³)	6.4	6.3	6.5	5.6	5.1	4.8	4.6	4.2	4	3.8	4.4	5.4	5.2	5	4.9	4.2	3.8	3.9	3.9	3.9	4.1	4	3.5	3.4
Ozone (O₃) (µg/m³)	79	85	82	79	78	73	67	62	57	59	63	66	70	69	71	69	70	74	74	74	76	76	76	76
NO₂ (µg/m³)	4.5	4.7	4.7	4.1	4	3.5	3.5	3.4	3.4	3.6	3.9	4.6	4.5	4	4	3.5	3.3	3.3	3.2	3.2	3.6	3.7	3.7	3.6
SO₂ (µg/m³)	1.5	1.7	1.6	1.4	1.4	1.3	1.3	1.3	1.2	1.2	1.3	1.4	1.5	1.4	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3
CO (µg/m³)	129.9	131.9	130.9	126.9	126.9	124.9	122.9	122.9	121.9	121.9	123.9	133.9	133.9	132.9	131.9	130.9	127.9	129.9	129.9	130.9	129.9	129.9	127.9	123.9

Thu, May 28, 2026

Fri, May 29 →

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 8 °C to 15 °C, wind up to 8.31 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 8.31 m/s with gusts up to 11.47 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Helsinki today ranges from 38% to 71%. View the humidity chart above for hourly details.

The UV index in Helsinki today reaches up to 4.2. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Helsinki today ranges from 755 to 758 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Helsinki today reaches up to 100%. 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 →