5-day weather forecast Helsinki 10-05-2026

Weather forecast Helsinki Sunday, May 10 10.05.2026: overcast, temperature from 4 °C to 10 °C.

Precipitation probability 68%. Wind up to 5.81 m/s (gusts 8.06 m/s). Air humidity 58–88%, atmospheric pressure 760–769 mm Hg, UV index up to 4.2.

Sunrise 04:54
Sunset 21:42

Waning Crescent49% illuminated
Moonrise 03:43 · Moonset 12:17

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Table

← Sat, May 9

Sun, May 10, 2026

Mon, May 11 →

Forecast from 4 °C to 10 °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)	6	6	5	5	4	4	5	6	7	8	9	9	9	10	10	10	9	8	8	7	7	7	7	7
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.01	0	0.01	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 (%)	100	86	49	44	44	53	94	99	70	46	25	19	15	21	77	100	100	100	100	100	100	100	100	100
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	68	0	61	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)	3.69	3.31	2.89	2.89	2.69	2.69	2.81	3.19	2.81	3.19	3.39	4.39	5.11	5.31	5.39	5.81	4.5	4.5	3.89	3.31	2.89	2.81	2.5	2.19
Wind gust (m/s)	7.78	6.92	6.08	6.08	5.67	5.67	5.89	5.75	4.53	4.94	5.06	6.36	7.19	7.33	7.36	8.06	6.78	6.94	6	5.28	4.75	4.75	4.33	3.78
Wind direction (°)	ESE 105°	ESE 105°	E 96°	E 95°	E 95°	E 93°	E 95°	ESE 109°	ESE 111°	ESE 114°	ESE 113°	ESE 109°	ESE 105°	ESE 105°	ESE 111°	ESE 123°	SE 126°	ESE 115°	ESE 118°	ESE 123°	SE 129°	SE 134°	SE 144°	SSE 156°

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 (%)	59	63	70	75	79	82	81	75	68	63	61	59	58	58	59	61	71	77	81	83	84	86	87	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)	769	769	768	768	767	767	767	767	766	766	765	765	764	764	764	763	763	762	762	761	761	761	761	760

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	0.7	1.4	2.1	3.1	3.8	4.2	4.1	3.6	2.7	1.8	0.9	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)	3.4	3.3	3.1	2.9	4.7	6.3	8	9.5	9.7	9.8	9.9	10.5	11	11.3	11.3	11.6	12.1	12.5	12.4	11.6	10.4	9.4	8.7	8.6
PM10 (µg/m³)	4.3	5	4.7	4.3	5.6	7	8.4	9.8	9.9	10	10.1	10.7	11.2	11.5	11.6	11.9	12.4	12.7	12.6	11.8	10.6	9.7	8.9	8.8
Ozone (O₃) (µg/m³)	66	68	69	71	72.8	70	68	67	65	65	69	75	82	91	100	108	113	116	117	114	108	102	96	89
NO₂ (µg/m³)	14.1	15.1	10.3	8	7.1	7.3	6.7	6	6	6	5.7	5.2	4.7	4.1	3.3	2.8	2.5	2.4	2.4	2.4	2.6	3.1	4.3	5.9
SO₂ (µg/m³)	1.6	1.6	1.5	1.2	2.6	3.4	3.8	4	3.6	3.4	3.5	3.8	3.9	3.7	3.4	3.1	2.9	2.8	2.7	2.7	2.8	3.1	3.6	4.2
CO (µg/m³)	151.9	149.9	142.9	142.9	144.7	145.4	148.4	151.9	153.9	155.9	158.9	160.9	161.9	158.9	154.9	150.9	149.9	149.9	149.9	147.9	145.9	145.9	150.9	157.9

← Sat, May 9

Sun, May 10, 2026

Mon, May 11 →

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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.

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