5-day weather forecast Helsinki 31-05-2026

Weather forecast Helsinki Sunday, May 31 31.05.2026: partly cloudy, temperature from 9 °C to 13 °C.

No precipitation expected. Wind up to 5 m/s (gusts 6.28 m/s). Air humidity 72–88%, atmospheric pressure 758–761 mm Hg, UV index up to 3.6.

Sunrise 04:08
Sunset 22:27

Full Moon99% illuminated
Moonrise Does not rise today · Moonset 03:03

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Sun, May 31, 2026

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Forecast from 9 °C to 13 °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	10	11	12	13	13	13	12	12	12	13	13	12	12	11	10	10	9	9
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 (%)	6	10	25	25	20	25	24	24	20	16	43	60	54	62	76	51	80	35	36	59	47	55	77	100
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)	1.11	0.5	0.69	1.31	1.89	2.31	2.39	3.11	3.5	3.81	4.19	4.69	5	5	4.81	4.69	4.5	4.39	4.39	4.5	4.19	3.81	3.61	3.19
Wind gust (m/s)	2.31	1.06	1.47	2.72	4	4.83	4.33	4.72	4.92	5.08	5.39	5.78	6.28	6.03	5.61	5.5	5.5	5.58	5.86	6.25	6.11	5.83	6.03	5.75
Wind direction (°)	S 181°	SSW 196°	ENE 60°	NE 47°	NNE 31°	NNE 26°	NNE 31°	NE 47°	ENE 60°	ENE 76°	E 91°	ESE 106°	ESE 117°	ESE 116°	ESE 114°	ESE 114°	ESE 115°	ESE 114°	ESE 111°	ESE 111°	ESE 112°	ESE 108°	ESE 105°	E 101°

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 (%)	84	85	85	85	85	86	85	82	77	74	72	73	76	77	74	73	73	74	74	76	79	81	85	88

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)	758	758	758	758	758	758	758	758	759	759	759	759	760	760	760	760	760	761	761	761	761	761	761	761

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	0.3	0.3	0.7	1.4	1.5	3	3.6	3.6	3.4	2.8	2.4	1.5	0.8	0.4	0.2	0	0

← Sat, May 30

Sun, May 31, 2026

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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 →