5-day weather forecast Sydney 18-07-2026

Weather forecast Sydney Saturday, July 18 18.07.2026: patchy rain possible, temperature from 14 °C to 16 °C.

Precipitation probability 45%. Wind up to 6.39 m/s (gusts 9.03 m/s). Air humidity 63–79%, atmospheric pressure 774–776 mm Hg, UV index up to 2.3.

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MinorJul 16, 12:00 AM — Jul 17, 12:00 AMTranslate with Google

Cancellation of Wind Warning for coastal waters between Seal Rocks and Broken Bay for 16 July

Wind

Sunrise 06:56
Sunset 17:06

Waxing Crescent23% illuminated
Moonrise 09:20 · Moonset 21:18

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Forecast from 14 °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)	15	15	14	14	14	14	15	15	15	15	15	15	15	16	16	16	16	16	15	15	15	16	15	15
Precipitation (mm/hr)	0.02	0.01	0.02	0.04	0.04	0.07	0.09	0.1	0.18	0.24	0.22	0.35	0.33	0.34	0.21	0.18	0.05	0.02	0.01	0.01	0.01	0.01	0.03	0.05

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 (%)	83	70	83	62	83	76	87	86	90	85	89	87	98	92	79	88	82	58	73	70	82	87	80	86
Rain chance (%)	17	14	17	16	21	22	26	27	39	36	41	42	45	43	31	31	20	12	14	13	14	14	15	20

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)	3.19	3.39	3.11	3.69	4.19	4.5	4.31	4.5	5	5.19	5.31	5.69	5.89	5.81	5.81	6.11	6.39	6	5.31	4.81	4.81	5.11	5.5	5.31
Wind gust (m/s)	5.14	5.61	5.39	6.39	6.97	6.97	6.56	6.89	7.14	7.25	7.22	7.81	8	7.53	7.53	8.14	9.03	8.81	8.11	7.33	7.39	7.78	8.19	7.72
Wind direction (°)	SSE 153°	SSE 159°	SSE 168°	S 177°	S 183°	S 184°	S 182°	S 183°	S 180°	S 177°	S 171°	S 173°	S 175°	S 173°	S 169°	S 169°	SSE 168°	SSE 165°	SSE 161°	SSE 155°	SSE 154°	SSE 153°	SSE 158°	SSE 159°

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 (%)	70	70	71	73	75	76	75	76	78	78	78	79	79	78	76	75	73	70	69	68	66	63	65	69

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)	775	775	775	774	774	774	775	775	776	776	776	776	776	775	775	775	775	775	775	775	776	776	776	776

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	0.2	0.5	1	1.6	2.3	2	1.1	0.5	0.2	0	0	0	0	0	0	0

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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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