5-day weather forecast Reykjavík 09-05-2026

Weather forecast Reykjavík Saturday, May 9 09.05.2026: patchy rain possible, temperature from 4 °C to 5 °C.

Precipitation probability 100%. Wind up to 7.81 m/s (gusts 10.06 m/s). Air humidity 82–94%, atmospheric pressure 768–770 mm Hg, UV index up to 2.

Sunrise 04:33
Sunset 22:18

Last Quarter59% illuminated
Moonrise 04:26 · Moonset 10:29

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← Fri, May 8

Sat, May 9, 2026

Sun, May 10 →

Forecast from 4 °C to 5 °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)	4	4	5	5	5	5	5	5	5	5	5	5	5	5	4	4	4	4	4	5	5	5	5	5
Precipitation (mm/hr)	0.32	0.31	0.23	0.23	0.25	0.33	0.31	0.22	0.13	0.06	0.11	0.07	0.05	0.09	0.21	0.08	0.16	0.09	0.09	0.14	0.13	0.03	0.01	0.03

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	100	99	95	94	100	86	100	100	100	100	100	100	100	100	100	100	100	100
Rain chance (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	84	61	60

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)	4.81	5.5	5.31	5.39	5.5	6.19	7.31	7.69	7.81	7.31	6.19	5.39	4.39	4.11	3.81	2.81	2	1.39	0.39	0.61	0.81	1.5	1.89	2.39
Wind gust (m/s)	6.28	7	6.97	7.19	7.25	8.22	10	10.06	9.94	9.22	7.86	6.89	5.64	5.25	4.86	3.56	2.64	1.83	0.53	0.78	1.06	2	2.53	3.19
Wind direction (°)	WNW 298°	WNW 293°	WNW 288°	WNW 294°	WNW 291°	WNW 294°	WNW 294°	WNW 293°	WNW 296°	WNW 300°	WNW 300°	NW 305°	WNW 303°	WNW 297°	WNW 295°	NW 306°	NW 319°	NW 319°	NNW 336°	WNW 283°	NW 322°	N 350°	N 353°	NNW 338°

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 (%)	88	87	82	82	82	84	84	85	83	83	86	85	82	85	90	93	94	94	92	90	91	91	91	90

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	769	769	769	769	770	770	770	770	770	770	769	769	769	768	768	768	768	768	768

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	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	0

← Fri, May 8

Sat, May 9, 2026

Sun, May 10 →

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 →