5-day weather forecast Sydney Sep 19, 2026

24°16° · Sunny

Weather forecast Sydney Saturday Sep 19, 2026: sunny, temperature from 16 °C to 24 °C.

Precipitation probability 13%. Wind up to 10.31 m/s (gusts 15.72 m/s). Air humidity 39–68%, atmospheric pressure 764–767 mm Hg, UV index up to 7.4.

Weather Alerts

WarningSep 17, 05:07 AM — Sep 18, 12:00 AMTranslate with Google

Cancellation of Hazardous Surf Warning for Sydney Coast: Broken Bay to Port Hacking for 17 September

Large Coastal Surf

NSW Police Force, Marine Area Command advise that: People should consider staying out of the water and avoid walking near surf-exposed areas. Rock fishers should avoid coastal rock platforms exposed to the ocean and seek a safe location that is sheltered from the surf. Boaters planning to cross shallow water and ocean bars should consider changing or delaying their voyage. Boaters already on the water should carry the appropriate safety equipment and wear a lifejacket. Boaters should remember to log on with their local Marine Rescue radio base, via VHF Radio or the Marine Rescue APP, and consider their safety management plan.

MinorSep 17, 07:00 AM — Sep 18, 12:00 AMTranslate with Google

Cancellation of Wind Warning for coastal waters between Ulladulla and Montague Island and for Sydney Enclosed Waters for 17 September

Wind

MinorSep 17, 07:00 AM — Sep 18, 12:00 AMTranslate with Google

Cancellation of Wind Warning for coastal waters between Ulladulla and Montague Island and for Sydney Enclosed Waters for 17 September

Wind

5 days at a glance — tap a day to open it

Sunrise 05:48
Sunset 17:49

First Quarter63% illuminated
Moonrise 10:53 · Moonset 01:18

Chart

Table

← Fri, Sep 18

Sat, Sep 19, 2026

Sun, Sep 20 →

Forecast from 16 °C to 24 °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	18	18	18	18	18	18	19	21	22	23	23	22	22	22	23	24	23	22	22	21	20	19
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	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 (%)	100	100	100	100	100	100	100	100	100	5	5	4	5	5	0	2	0	0	0	0	0	0	0	0
Rain chance (%)	13	13	11	11	11	11	12	11	11	1	1	1	1	2	2	3	2	1	1	1	1	1	2	5

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)	5.11	6.19	8.11	8.19	7.89	8	7.81	7.19	7.39	7.31	5.5	3	1.61	3.61	3.5	2.11	1.61	5.31	8.81	10.31	9.39	8.11	7.19	7.11
Wind gust (m/s)	9.61	14.22	15.03	14.5	13.89	14.03	14.11	13.5	12.11	10.72	7.92	5.61	4.19	4.5	3.81	4	5.22	9	14.03	15.72	14.64	12.72	11.81	10.61
Wind direction (°)	WNW 283°	W 277°	W 270°	W 265°	W 261°	W 261°	W 261°	W 265°	W 263°	W 268°	WSW 257°	SW 226°	SSE 152°	E 98°	ENE 76°	ENE 58°	WNW 302°	W 261°	WSW 255°	WSW 256°	WSW 252°	WSW 242°	SW 217°	S 186°

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 (%)	56	55	48	48	48	48	49	48	45	40	39	43	44	48	53	55	51	43	42	41	42	44	51	68

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	767	766	767	767	767	767	767	767	766	765	765	764	764	764	764	764	764	765	766	766	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	0.4	1.3	3	5.3	6.9	7.4	6.7	5	3	1.3	0.3	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)	23.9	18.9	15.4	12.8	10.6	9.1	9	10.4	11.5	9.4	7.5	7.1	6.2	5.4	5.5	6.1	7.1	7.9	13.1	19.8	26.2	25.4	20.5	17.1
PM10 (µg/m³)	24.9	19.5	15.8	13.1	10.9	9.5	9.4	10.9	12.1	10.4	8.7	8.3	7.3	6.3	6.3	7.2	8.7	9.7	16.1	23.3	29.3	27.7	21.9	17.9
Ozone (O₃) (µg/m³)	16	18	18	19	20	21	22	27	37	50	63	77	92	103	109	112	109	99	83	67	51	35	22	16
NO₂ (µg/m³)	47.4	39.5	33.7	28.4	23.9	20.3	17.5	15	12.8	10.9	9	6.8	4.5	3.1	2.2	2.2	4.5	11	19.8	27.5	33.3	37.9	39.7	37.1
SO₂ (µg/m³)	9	7.1	5.9	5.1	4.7	4.7	5	5.3	5.5	5.5	5.4	4.8	3.9	3.3	3	2.9	3.2	4.2	5.6	6.7	7.5	8	8.1	7.3
CO (µg/m³)	88	91	88	86	87	94	105	113	114	111	112	120	130	137	131	122	131	182	250	284	250	181	128	110