5-day weather forecast Oslo 20-05-2026

Weather forecast Oslo Wednesday, May 20 20.05.2026: overcast, temperature from 8 °C to 16 °C.

Precipitation probability 75%. Wind up to 4.69 m/s (gusts 5.42 m/s). Air humidity 56–98%, atmospheric pressure 760–762 mm Hg, UV index up to 3.8.

Sunrise 04:29
Sunset 22:00

Waxing Crescent15% illuminated
Moonrise 06:51 · Moonset 02:25

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Table

← Tue, May 19

Wed, May 20, 2026

Thu, May 21 →

Forecast from 8 °C to 16 °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)	9	9	9	8	8	8	9	11	13	14	14	15	15	16	16	16	16	16	15	14	13	12	11	11
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.04	0.02	0	0	0	0.14	0.18	0.19	0.25

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 (%)	19	28	46	46	52	68	78	72	77	82	53	100	100	100	92	98	86	79	88	100	100	100	100	100
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	75	62	0	0	0	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)	0.89	1	0.69	0.89	1.19	1.11	1	1.31	1.89	2.5	2.81	3.19	3.39	3.69	4.11	4.69	4.69	4.69	4.61	4.31	3.31	2.89	3.19	2.69
Wind gust (m/s)	1.89	2.11	1.47	1.86	2.44	2.17	1.61	1.5	2.19	2.89	3.22	3.67	3.92	4.25	4.72	5.42	5.42	5.42	5.28	4.94	3.81	3.36	3.86	3.28
Wind direction (°)	SSW 205°	SSW 198°	S 175°	S 173°	S 186°	SSW 197°	S 183°	S 177°	S 181°	S 183°	S 184°	S 189°	S 190°	S 189°	S 187°	S 189°	SSW 197°	SSW 197°	S 189°	S 180°	S 172°	SSE 163°	S 174°	SSE 163°

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 (%)	72	72	72	73	74	76	75	69	63	61	61	61	59	56	56	59	60	57	60	67	80	93	96	98

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)	762	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	760	760	760	760

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	0.4	0.9	1.6	2.3	2.8	3.3	3.8	3.6	2.9	2.7	1.8	1	0.6	0.2	0	0	0

← Tue, May 19

Wed, May 20, 2026

Thu, May 21 →

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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.

Learn more about our methodology →