5-day weather forecast Helsinki 01-04-2026

Weather forecast Helsinki Wednesday 1 April 01.04.2026: sunny, temperature from 1 °C to 7 °C.

Precipitation probability 100%. Wind up to 5.61 m/s (gusts 8.39 m/s). Air humidity 54–94%, atmospheric pressure 752–765 mm Hg, UV index up to 3.

Sunrise 05:59
Sunset 18:53

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← Tue, 31 Mar

Wed, 1 Apr, 2026

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)	2	1	1	1	1	1	0	1	1	2	4	5	5	7	7	4	7	7	3	6	5	2	2	1
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	0.4	0.8

Cloud cover

Cloud cover
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 (%)	22	22	20	18	38	30	9	19	13	0	6	3	0	2	0	20	8	18	22	51	46	100	100	100

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)	2.61	2.61	2.5	2.5	2.5	2.61	2.39	2.69	2.39	2.19	2.39	1.89	3.89	1.39	2.11	5.31	3.39	4	5.19	4.11	3.81	4.89	5.19	5.61
Wind gust (m/s)	5.39	5.42	5.22	5.25	5.25	5.47	4.89	5.67	4.72	3.5	3.75	2.92	5.61	2.06	3.17	7.39	5.44	6.64	7.58	7.5	7.83	7.83	8.11	8.39

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 (%)	90	91	92	92	83	83	94	85	83	82	71	64	65	54	55	69	57	59	76	66	73	79	83	87

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)	759	759	759	759	764	764	759	764	764	759	765	765	759	764	764	758	764	764	756	764	764	754	753	752

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	0	0.1	0.3	0.5	0.7	1	1	0.9	3	3	2	3	2	0	0	0

← Tue, 31 Mar

Wed, 1 Apr, 2026

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 →