5-day weather forecast Sydney 17-05-2026

Weather forecast Sydney tomorrow 17.05.2026: sunny, temperature from 15 °C to 20 °C.

Precipitation probability 79%. Wind up to 3.69 m/s (gusts 5.44 m/s). Air humidity 71–91%, atmospheric pressure 764–767 mm Hg, UV index up to 3.4.

Sunrise 06:41
Sunset 17:01

Waxing Crescent0% illuminated
Moonrise 07:00 · Moonset 16:58

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Table

← Sat, May 16

Sun, May 17, 2026

Mon, May 18 →

Forecast from 15 °C to 20 °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)	17	16	16	16	16	15	15	15	16	18	19	19	20	20	20	20	19	19	18	18	18	18	18	17
Precipitation (mm/hr)	0.03	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.31	0.07	0.06	0.08

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 (%)	81	20	13	17	18	17	17	25	39	54	68	35	8	6	8	8	13	27	16	18	76	83	76	77
Rain chance (%)	79	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	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)	2.31	1.89	1	2.11	2	2.11	2.19	1.81	1.61	1.31	1.31	2.19	2.89	2.89	3.69	3.69	3.11	3.5	3.19	2.61	2.11	1.61	1.61	1.39
Wind gust (m/s)	3.86	3.25	1.78	3.56	3.44	3.69	3.92	3.19	2.36	1.64	1.56	2.69	3.5	3.53	4.58	4.75	4.22	5.44	5.33	4.42	3.78	2.97	2.92	2.5
Wind direction (°)	WNW 290°	WNW 284°	NW 306°	WNW 303°	WNW 297°	WNW 285°	WNW 289°	WNW 289°	WNW 298°	NW 323°	N 8°	NE 36°	NE 48°	ENE 59°	ENE 61°	ENE 60°	NE 55°	NE 42°	NE 41°	NNE 29°	N 358°	NNW 339°	NNW 327°	NW 323°

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 (%)	90	90	90	90	91	91	91	90	86	80	77	74	71	71	72	75	77	81	83	84	86	86	87	87

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	767	766	766	766	766	767	767	767	767	767	767	766	765	764	764	764	764	765	765	766	766	766	766

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	0.4	1.1	2.2	3.1	3.4	3	2.1	1	0.3	0	0	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)	7.5	7.5	7.8	10.4	12.2	13.8	11.8	9.5	9.3	11.6	15.2	18.3	19	17.9	17.8	18.3	18.1	19.5	22.7	16.6	13.7	10.2	10.6	9.3
PM10 (µg/m³)	9.7	9.7	9.9	12.4	13.9	15.4	13.2	11	10.7	12.7	16.1	19.2	20	18.9	18.9	19.5	19.2	20.6	24.1	18.6	15.5	11.8	12.4	10.8
Ozone (O₃) (µg/m³)	49	47	43	34	23	16	16	20	22	19	14	10	9	9	10	10	10	11	13	16	20	26	34	40
NO₂ (µg/m³)	12.4	13	15.6	21.9	30.1	35.2	34.1	30	27.6	29.3	32.7	35.3	36.1	36.2	36	35.8	35.3	34.6	33.8	32.7	30.7	26.9	22.2	18.9
SO₂ (µg/m³)	6.8	6.6	6.6	6.8	7.2	7.5	7.7	7.8	8.1	8.7	9.5	10.4	11.6	12.9	14.1	14.9	15.6	16.6	18.4	20.6	21.5	20.3	17.9	15.9
CO (µg/m³)	97.9	97.9	99.9	104.9	112.9	115.9	109.9	99.9	91.9	88.9	87.9	86.9	80.9	74.9	78.9	102.9	137.9	158.9	155.9	139.9	122.9	107.9	91.9	80.9

← Sat, May 16

Sun, May 17, 2026

Mon, May 18 →

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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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