5-day weather forecast Reykjavík 29-03-2026

Weather forecast Reykjavík Sunday 29 March 29.03.2026: moderate or heavy snow showers, temperature from 1 °C to 4 °C.

Precipitation probability 100%. Wind up to 8.31 m/s (gusts 11.81 m/s). Air humidity 73–98%, atmospheric pressure 734–743 mm Hg, UV index up to 1.2.

Sunrise 07:05
Sunset 20:03

Chart

Table

← Sat, 28 Mar

Sun, 29 Mar, 2026

Mon, 30 Mar →

Forecast from 1 °C to 4 °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	3	2	3	3	2	2	2	3	3	4	3	4	4	3	3	3	3	2	1	2	2	2
Precipitation (mm/hr)	0.38	0.34	0.37	0.28	0.6	0.52	0.31	0.2	0.22	0.29	0.21	0.51	0.55	0.18	0.06	0.22	0.34	0.36	0.12	0.16	0.09	0.27	0.68	0.33

Cloud cover

Cloud cover
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 (%)	96	66	67	53	83	89	80	64	75	62	51	52	73	82	70	95	100	94	64	54	100	100	100	100

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	7.5	8.19	5.5	5.39	6.61	6	5.5	6.69	5.81	5.81	7	8.31	7.11	6.5	5	3.81	3.81	0.81	3	3	4.19	4.81	5.39
Wind gust (m/s)	8.42	10.64	11.53	9.06	7.89	9.5	9.58	9.61	9.75	8.06	7.94	9.47	11.81	9.39	8.28	6.44	5.08	5.08	1.08	4.33	4.56	5.72	6.42	7.33

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 (%)	86	82	86	84	79	78	75	73	79	80	77	78	83	75	79	90	90	88	91	94	93	96	98	95

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)	734	734	734	734	734	734	734	734	735	736	736	737	737	737	737	737	737	737	737	738	740	741	742	743

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	0.1	0.3	0.5	0.5	0.7	1.1	1.2	1	0.7	0.4	0.2	0.1	0	0	0	0

← Sat, 28 Mar

Sun, 29 Mar, 2026

Mon, 30 Mar →

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 →