5-day weather forecast Reykjavík 12-05-2026

Weather forecast Reykjavík Tuesday, May 12 12.05.2026: sunny, temperature from 2 °C to 7 °C.

Precipitation probability 87%. Wind up to 12 m/s (gusts 14.03 m/s). Air humidity 60–96%, atmospheric pressure 747–765 mm Hg, UV index up to 3.

Sunrise 04:23
Sunset 22:28

Waning Crescent29% illuminated
Moonrise 03:55 · Moonset 15:42

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← Mon, May 11

Tue, May 12, 2026

Forecast from 2 °C to 7 °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)	5	5	4	3	2	3	3	3	4	4	5	7	7	6	6	6	7	7	7	7	6	6	5	4
Precipitation (mm/hr)	0.05	0.04	0.04	0.13	0.32	0.36	0.08	0.01	0	0	0	0	0.01	0.01	0	0	0	0	0	0	0	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	100	100	100	100	100	98	69	74	32	32	31	80	72	73	25	10	5	8	19	17	2	0	2
Rain chance (%)	87	63	86	100	100	100	100	72	0	0	0	0	73	83	0	0	0	0	0	0	0	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)	6.89	5.89	6.39	6.19	4.81	3.19	2.39	3.69	6.19	6.39	7.19	8.39	9.81	10.61	12	11.69	11.5	10.5	10.5	10.5	10.11	8.5	7.31	7
Wind gust (m/s)	9.22	7.67	7.92	7.67	6.03	4.17	3.11	4.67	7.75	7.86	8.64	10.28	11.83	12.39	13.97	13.89	14.03	13.17	13.31	13.22	12.89	11.11	9.75	9.5
Wind direction (°)	W 259°	W 272°	WNW 285°	WNW 286°	WNW 296°	NW 311°	NNE 14°	NNE 15°	N 357°	N 359°	N 2°	N 360°	N 351°	N 353°	N 356°	N 358°	N 2°	N 3°	N 356°	N 356°	N 0°	N 9°	N 10°	N 1°

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 (%)	75	74	77	79	91	95	96	93	84	78	73	70	69	70	72	66	61	60	64	71	73	72	71	72

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)	747	747	747	748	748	748	749	749	750	752	752	753	754	755	756	758	758	759	761	762	763	764	764	765

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	0.2	0.5	0.9	1.6	2.2	2.5	2	2	3	3	3	3	3	3	3	2	0

← Mon, May 11

Tue, May 12, 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.

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