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	6.5	5.69	4.5	5.81	6	4.61	6.61	7.19	5.39	6.69	7.31	6	7.61	7.81	6	7.19	7.39	5.89	8.5	9.19	7.81	9.31	8.81
Wind gust (m/s)	8.22	8.11	7.69	6.92	7.94	8.33	6.89	9.31	10.11	7.92	9.64	10.31	8.89	10.22	10.31	8.97	10.22	10.81	9.11	12.22	12.89	11.36	14.03	13.81
Wind direction (°)	SW 215°	SSW 204°	S 190°	S 189°	SSE 155°	SSE 147°	SSE 152°	SE 138°	SE 143°	SSE 167°	SSE 150°	SE 142°	SSE 156°	SSE 147°	SE 146°	SSE 149°	SE 139°	SE 137°	SE 142°	SE 132°	SE 131°	SE 130°	SE 124°	ESE 119°

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	79	80	76	81	80	80	81	82	83	81	80	81	76	76	76	78	80	83	84	85	85	78	75

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)	770	770	770	770	770	770	770	770	770	771	770	770	771	770	770	771	770	770	770	770	770	770	770	770

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	0	0	0.1	0.2	0.2	0.2	0	0	0	0	0	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	3.4	3.9	4.4	4.4	3.8	3.6	3.7	4	4.1	4	3.9	3.7	3.4	3.3	3.4	3.5	3.3	3.3	3.8	4.3	4.3	4.2	3.9
PM10 (µg/m³)	10.7	10.5	10	9.2	9.2	9.1	9.3	9.8	10.4	10.9	11.6	9.7	9	9.4	9.8	9.9	8.7	7.6	7.7	8.4	8.6	8	7.6	7.7
Ozone (O₃) (µg/m³)	73	73	75	74	73	72	71	71	69	67	64	62	67	73	72	71	69	67	66	63	62	62	63	65
NO₂ (µg/m³)	1.6	1.6	1.6	1.9	2.6	3.6	3.8	4.1	5.1	6.9	7	6.1	4.5	3.9	4.4	4.9	4.9	5.1	5.9	6	5.2	4.8	4.5	4.2
SO₂ (µg/m³)	4.6	4.7	4.8	4.9	5.3	5.3	4.7	4	3.3	2.3	1.7	2.6	3.2	3.4	1.6	1.7	1.8	2	2.3	3.2	4	6.1	9.3	9
CO (µg/m³)	160	159	159	158	159	163	172	178	181	186	184	177	172	171	170	170	172	174	171	172	169	165	164	165

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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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5-day weather forecast Reykjavík Nov 4, 2026

Forecast from 6 °C to 7 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction