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	2.39	2.31	2.39	2.69	2.5	2.31	2.31	2.89	3.31	3.39	4	4.81	5	5.39	5.69	5.69	6.19	6.69	7	7	7.81	7.89	8
Wind gust (m/s)	6.89	6.5	5.83	5.92	6.69	6.81	5.42	6.22	6.53	8.42	8.42	8.69	9.42	10.03	10.22	10.72	11.03	12.11	12.5	13.11	13.11	13.89	14.75	14.89
Wind direction (°)	WSW 250°	WSW 246°	WSW 238°	WSW 237°	WSW 238°	SW 231°	WSW 238°	SW 227°	SSW 212°	SW 222°	SW 230°	SW 231°	SW 229°	SW 223°	SW 225°	SW 222°	SW 215°	SW 224°	SW 221°	SW 226°	SW 226°	SW 221°	SW 216°	SW 225°

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 (%)	95	95	94	95	93	92	91	90	91	86	80	78	80	80	81	79	83	86	88	88	88	89	90	93

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)	760	760	759	760	759	759	758	758	758	758	758	758	758	757	756	756	755	755	754	754	753	752	751	751

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	0.7	1.1	1.2	0.8	0.6	0.4	0.1	0	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

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Mon, Oct 5, 2026

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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 →