5-day weather forecast Oslo 18-04-2026

Weather forecast Oslo today 18.04.2026: overcast, temperature from 5 °C to 12 °C.

Precipitation probability 82%. Wind up to 2.11 m/s (gusts 2.72 m/s). Air humidity 59–100%, atmospheric pressure 758–768 mm Hg, UV index up to 1.5.

Sunrise 05:52
Sunset 20:42

Waxing Crescent1% illuminated
Moonrise 05:30 · Moonset 23:20

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Table

Sat, Apr 18, 2026

Sun, Apr 19 →

Forecast from 5 °C to 12 °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	8	5	6	5	6	7	8	9	10	11	11	12	12	12	12	11	11	11	10	9	9	8
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.02	0.17	0.34	0.42	0.56

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	75	100	50	100	72	100	100	100	100	100	90	100	100	100	100	100	100	100	100	100	100	100
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	82	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)	1.31	1.31	1.19	1.19	1	1	1	0.89	0.81	0.89	1.39	1.69	2	2.11	2	1.89	2	1.69	1.39	1.31	1.31	1.31	0.89	0.39
Wind gust (m/s)	2.72	2.69	2.47	2.36	1.83	1.94	1.78	1.39	0.97	1.03	1.61	1.97	2.31	2.42	2.31	2.19	2.31	1.97	1.61	1.5	1.56	1.61	1.06	0.47
Wind direction (°)	S 172°	S 175°	SSE 165°	SSE 153°	SSE 157°	SSE 149°	SSE 151°	SSE 152°	SE 146°	SSE 150°	SE 144°	SSE 154°	SSE 165°	S 183°	SSW 194°	SSW 196°	SSW 204°	SSW 207°	SSW 206°	SSW 203°	SSW 195°	SSW 192°	S 187°	S 169°

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 (%)	81	82	100	84	85	86	84	82	78	72	66	61	60	59	60	61	61	63	65	69	77	84	90	93

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)	768	768	758	767	767	767	767	767	767	767	767	767	766	766	766	766	765	765	765	764	764	765	765	764

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	0.1	0.2	0.5	1	1.5	1.5	1.5	1.4	1.2	0.9	0.6	0.3	0.2	0	0	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)	19	20.4	24.5	22.7	19.4	16.1	16.3	16.7	17.3	18.6	20	20.3	20.6	20.8	21.3	21.5	21.5	20.6	20	20.3	23.1	25.3	26.2	27
PM10 (µg/m³)	30.4	32.2	33.2	30.4	27.8	24.8	23.9	23.5	23.9	23.7	27.1	25.4	25.1	25	25.9	26.5	27.1	27.9	28.5	29	30.5	33.6	35.3	34
Ozone (O₃) (µg/m³)	66	64	57	41	43	53	53	53	53	44	46	50	52	54	53	53	54	54	55	52	51	47	43	41
NO₂ (µg/m³)	26.9	28.5	29.4	35	28	24.4	24.1	24.6	25.8	30.4	32.1	24	20	20.1	20.7	20.3	22.3	24.6	25.9	27.2	27.7	28.6	34.6	33.7
SO₂ (µg/m³)	2.7	2.7	2.7	2.8	2.8	2.7	2.8	2.9	3.1	3.4	3.8	3.8	4.4	4.8	4.9	3.1	3.3	3.5	3.7	3.3	3.2	3.2	3.7	3.2
CO (µg/m³)	301.9	311.9	328.9	380.9	336.9	283.9	277.9	279.9	285.9	364.9	468.9	397.9	426.9	372.9	384.9	398.9	405.9	412.9	429.9	441.9	440.9	460.9	426.9	370.9

Sat, Apr 18, 2026

Sun, Apr 19 →

Frequently asked questions about the weather in Oslo

Today in Oslo the temperature ranges from 5 °C to 12 °C, wind up to 2.11 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Oslo today is 82%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Oslo today reaches up to 2.11 m/s with gusts up to 2.72 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Oslo today ranges from 59% to 100%. View the humidity chart above for hourly details.

The UV index in Oslo today reaches up to 1.5. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Oslo today ranges from 758 to 768 mm Hg. View the pressure chart above for hourly readings.

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

Oslo 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 →