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)	6.81	7.31	7.31	7.69	7.89	7.69	7.69	7.81	8.19	8.19	8.39	8.89	9.19	9.69	9.5	9.5	9.19	9.11	8.31	7.31	6.5	6.19	5.69	5.11
Wind gust (m/s)	7.5	7.92	8.11	8.61	9.31	9.53	9.39	9.5	10	9.81	10	10.5	11.39	12	12.61	12.72	11.69	11.22	10.42	9.33	8.42	7.42	6.83	6
Wind direction (°)	NNE 17°	NNE 20°	NNE 18°	NNE 14°	NNE 14°	N 11°	NNE 13°	N 10°	N 9°	N 8°	N 9°	N 10°	N 8°	N 9°	N 6°	N 3°	N 2°	N 2°	N 4°	N 5°	N 6°	N 7°	N 9°	NNE 12°

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 (%)	79	82	84	83	80	76	73	71	72	73	72	71	72	70	70	67	64	64	65	66	68	70	72	73

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)	750	750	749	749	749	749	749	749	748	748	748	748	748	748	748	748	748	748	748	748	748	749	749	749

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	0.2	0.5	0.9	1.5	2	2	3	3	4	4	4	3	3	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

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Mon, Sep 7, 2026

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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 →