5-day weather forecast Reykjavík 05-05-2026

Weather forecast Reykjavík today 05.05.2026: sunny, temperature from 1 °C to 3 °C.

Precipitation probability 71%. Wind up to 8.19 m/s (gusts 10.92 m/s). Air humidity 43–68%, atmospheric pressure 766–770 mm Hg, UV index up to 2.5.

Sunrise 04:46
Sunset 22:05

Waning Gibbous90% illuminated
Moonrise 00:00 · Moonset 00:00

Chart

Table

Tue, May 5, 2026

Wed, May 6 →

Forecast from 1 °C to 3 °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)	1	0	0	0	0	0	0	0	1	1	2	2	3	3	3	3	3	3	3	3	3	3	3	1
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.02	0.07	0.09	0.02	0	0.01	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 (%)	10	1	0	2	2	4	5	9	18	97	100	100	74	48	100	80	63	76	95	71	85	50	75	32
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	71	100	100	62	0	79	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)	4	3.81	3.69	3.89	4.11	4.39	4.5	4.61	4.81	3.11	3.19	3.11	3.39	3.81	4.31	4.81	5.31	5.19	5.69	6.61	6.81	7.11	7.81	8.19
Wind gust (m/s)	5.33	5.06	4.89	5.11	5.33	5.64	5.69	5.67	5.78	3.81	3.89	3.81	4.06	4.53	5.08	5.64	6.33	6.33	7	8.17	8.58	9.19	10.47	10.92
Wind direction (°)	NNE 15°	NNE 12°	N 8°	N 6°	N 8°	N 10°	NNE 13°	NNE 17°	NNE 24°	NE 51°	NE 41°	NNE 30°	NNE 26°	NNE 23°	NNE 20°	NNE 24°	NNE 30°	NE 37°	NE 42°	NE 55°	ENE 57°	NE 45°	NE 35°	NNE 30°

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 (%)	60	61	62	63	64	66	68	67	63	56	52	49	46	44	43	44	47	48	45	43	44	48	60	60

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	769	769	769	770	769	768	768	768	768	767	767	767	767	767	767	766	766	767	767	767

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	0.8	1.4	1.8	2.3	2.5	2.3	2.1	1.7	1.2	0.8	0.5	0.2	0.1	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)	2.1	2.1	2.3	2.2	2.2	2.3	2.6	2.5	2.3	2	1.8	1.9	2	2.1	2.1	2.1	2.2	2.2	2.5	2.6	2.6	2.6	2.6	2.3
PM10 (µg/m³)	3.6	3.3	3.1	2.9	2.8	3.4	3.9	3.8	3.5	3.8	3.9	4	4.1	4.1	3.9	3.7	3.8	4.1	4.4	4.6	4.7	4.7	4.9	5
Ozone (O₃) (µg/m³)	80	80	79	77	76	75	73	74	76	80	84	85	87	88	88	86	89	87	86	87	88	87	84	83
NO₂ (µg/m³)	2	2	1.9	1.8	1.9	2.2	2.4	2.3	2	1.8	1.7	1.5	1.4	1.4	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.6	1.6	1.7
SO₂ (µg/m³)	1.9	1.7	1.7	1.7	1.8	2.2	2.8	3.6	2.3	2	1.8	1.7	1.7	1.6	1.6	1.6	1.6	1.6	1.6	1.7	1.8	1.8	1.8	1.9
CO (µg/m³)	147.9	147.9	146.9	147.9	148.9	149.9	150.9	151.9	151.9	152.9	149.9	147.9	146.9	147.9	147.9	147.9	147.9	146.9	146.9	147.9	148.9	150.9	147.9	147.9

Tue, May 5, 2026

Wed, May 6 →

Frequently asked questions about the weather in Reykjavík

Today in Reykjavík the temperature ranges from 1 °C to 3 °C, wind up to 8.19 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Reykjavík today is 71%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Reykjavík today reaches up to 8.19 m/s with gusts up to 10.92 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Reykjavík today ranges from 43% to 68%. View the humidity chart above for hourly details.

The UV index in Reykjavík today reaches up to 2.5. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Reykjavík today ranges from 766 to 770 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Reykjavík today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

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 →