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)	4.69	4.61	4.69	4.89	4.69	4.39	3.81	3.39	2.89	2.19	1.89	1.31	1.31	0.81	0.89	0.89	1	1.19	1.31	1.61	2	2.31	2.39	2.61
Wind gust (m/s)	5.61	5.31	5.33	5.61	5.33	5.03	4.42	4.03	3.31	2.5	2.19	1.61	1.53	1.11	1.83	2.22	1.92	1.81	1.81	2	2.31	2.53	2.61	2.61
Wind direction (°)	N 9°	N 1°	N 353°	N 349°	N 350°	NNW 348°	NNW 347°	NNW 346°	N 351°	NNW 341°	NW 324°	NW 305°	W 275°	W 266°	WSW 248°	WSW 237°	WSW 237°	SSW 213°	SSW 195°	S 187°	S 178°	S 170°	SSE 164°	SSE 158°

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 (%)	73	73	74	76	76	76	76	75	74	72	72	71	72	72	73	78	82	84	86	86	86	86	85	83

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)	749	749	749	749	749	749	749	749	749	749	749	749	749	749	749	749	749	749	749	749	749	749	749	750

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	3	3	3	3	3	3	3	3	3	3	2	3	3	3	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

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Tue, Sep 8, 2026

Reykjavík 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 →