5-day weather forecast Oslo 18-04-2026

Weather forecast Oslo tomorrow 18.04.2026: overcast, temperature from 5 °C to 13 °C.

Precipitation probability 100%. Wind up to 2.61 m/s (gusts 3 m/s). Air humidity 54–92%, atmospheric pressure 764–768 mm Hg, UV index up to 1.6.

Sunrise 05:52
Sunset 20:42

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

Chart

Table

← Fri, Apr 17

Sat, Apr 18, 2026

Sun, Apr 19 →

Forecast from 5 °C to 13 °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)	7	6	5	6	6	5	5	6	8	8	8	12	12	13	13	12	12	12	12	11	10	9	9	9
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0.11	0.09	0	0	0	0	0	0	0	0	0	0.02	0.12	0.54	0.72

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	52	100	100	50	100	100	57	100	100	100	100	100	100	100	100	100	100	100	100
Rain chance (%)	0	0	0	0	0	0	0	0	0	100	100	0	0	0	0	0	0	0	0	0	72	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	1.19	1.19	1.19	1.11	0.81	0.81	0.81	0.69	0.89	1.11	1.81	2.11	2.39	2.61	2.39	2.39	2.5	2.19	1.39	1	1	0.81	0.11
Wind gust (m/s)	2.19	2.39	2.36	1.94	1.78	1.58	1.53	1.25	0.83	1.08	1.28	2.08	2.42	2.75	3	2.75	2.75	2.89	2.53	1.61	1.19	1.22	0.97	0.11
Wind direction (°)	SSE 166°	S 175°	SSE 165°	S 169°	SSE 165°	SE 146°	SSE 151°	SE 144°	SE 132°	SSE 152°	SE 130°	SSE 152°	SSE 163°	S 180°	SSW 193°	SSW 196°	SSW 196°	SSW 200°	SSW 209°	SSW 212°	SSW 200°	S 187°	S 180°	SSE 165°

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 (%)	80	84	85	84	85	87	86	84	78	85	85	59	56	54	56	58	59	61	65	70	77	81	87	92

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)	767	768	767	767	767	767	767	767	767	766	766	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	0.4	1	1.4	1.3	1.6	1.3	1.1	0.9	0.6	0.3	0	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

← Fri, Apr 17

Sat, Apr 18, 2026

Sun, Apr 19 →

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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.

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