5-day weather forecast Sydney Oct 18, 2026
19°Weather forecast Sydney Sunday Oct 18, 2026: patchy rain possible, temperature from 17 °C to 19 °C.
Precipitation probability 27%. Wind up to 7.19 m/s (gusts 7.81 m/s). Air humidity 56–74%, atmospheric pressure 771–774 mm Hg, UV index up to 7.6.
5 days at a glance — tap a day to open it
Sunrise 06:09
Sunset 19:10
Sunset 19:10
First Quarter58% illuminated
Moonrise 11:38 · Moonset 01:43
Moonrise 11:38 · Moonset 01:43
Chart
Table
Sun, Oct 18, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 17 °C | 9% (0.01 mm/hr) | 67% | 56% | 773 mm Hg | ENE 65° 3.89 (4.14) m/s | 0 |
| 01:00 | Patchy rain possible | 17 °C | 17% (0.06 mm/hr) | 83% | 60% | 773 mm Hg | NE 55° 3.61 (3.72) m/s | 0 |
| 02:00 | Patchy rain possible | 17 °C | 18% (0.1 mm/hr) | 70% | 65% | 773 mm Hg | NE 50° 3.11 (3.61) m/s | 0 |
| 03:00 | Patchy rain possible | 17 °C | 17% (0.1 mm/hr) | 63% | 65% | 773 mm Hg | NE 53° 2.11 (3.06) m/s | 0 |
| 04:00 | Patchy rain possible | 17 °C | 17% (0.07 mm/hr) | 77% | 64% | 772 mm Hg | ENE 68° 1.69 (2.61) m/s | 0 |
| 05:00 | Patchy rain possible | 17 °C | 15% (0.04 mm/hr) | 83% | 62% | 773 mm Hg | E 81° 1.89 (2.53) m/s | 0 |
| 06:00 | Patchy rain possible | 17 °C | 15% (0.03 mm/hr) | 87% | 62% | 773 mm Hg | E 88° 2 (2.72) m/s | 0 |
| 07:00 | Patchy rain possible | 17 °C | 13% (0.02 mm/hr) | 78% | 62% | 773 mm Hg | E 93° 2.19 (2.89) m/s | 0.1 |
| 08:00 | Patchy rain possible | 17 °C | 16% (0.05 mm/hr) | 87% | 62% | 773 mm Hg | E 86° 2.39 (2.92) m/s | 0.3 |
| 09:00 | Patchy rain possible | 17 °C | 20% (0.11 mm/hr) | 82% | 64% | 773 mm Hg | ENE 76° 3 (3.22) m/s | 1.1 |
| 10:00 | Patchy rain possible | 18 °C | 21% (0.12 mm/hr) | 84% | 64% | 774 mm Hg | E 79° 3.19 (3.5) m/s | 3.4 |
| 11:00 | Patchy rain possible | 18 °C | 19% (0.13 mm/hr) | 67% | 65% | 773 mm Hg | E 79° 3.69 (3.72) m/s | 5.5 |
| 12:00 | Patchy rain possible | 18 °C | 27% (0.19 mm/hr) | 88% | 68% | 773 mm Hg | E 79° 4.31 (7.31) m/s | 6.2 |
| 13:00 | Patchy rain possible | 18 °C | 20% (0.09 mm/hr) | 77% | 68% | 773 mm Hg | E 85° 4.19 (4.61) m/s | 7.6 |
| 14:00 | Patchy rain possible | 18 °C | 20% (0.08 mm/hr) | 80% | 68% | 772 mm Hg | E 86° 5.5 (5.72) m/s | 7 |
| 15:00 | Patchy rain possible | 18 °C | 22% (0.07 mm/hr) | 89% | 70% | 772 mm Hg | E 80° 5.81 (6) m/s | 5.1 |
| 16:00 | Patchy rain possible | 18 °C | 14% (0.01 mm/hr) | 78% | 68% | 771 mm Hg | ENE 76° 5.61 (5.61) m/s | 3.4 |
| 17:00 |  Sunny | 18 °C | 5% | 3% | 67% | 771 mm Hg | ENE 70° 5 (5.22) m/s | 1.8 |
| 18:00 | Sunny | 19 °C | 5% | 2% | 65% | 772 mm Hg | ENE 66° 4.69 (5.53) m/s | 0.6 |
| 19:00 | Patchy rain possible | 19 °C | 14% (0.01 mm/hr) | 82% | 67% | 772 mm Hg | ENE 64° 5.81 (6.33) m/s | 0.1 |
| 20:00 | Patchy rain possible | 18 °C | 16% (0.01 mm/hr) | 85% | 69% | 772 mm Hg | ENE 64° 6.69 (7.14) m/s | 0 |
| 21:00 | Patchy rain possible | 18 °C | 14% (0.01 mm/hr) | 70% | 71% | 773 mm Hg | ENE 60° 7.19 (7.72) m/s | 0 |
| 22:00 | Patchy rain possible | 18 °C | 17% (0.03 mm/hr) | 75% | 72% | 773 mm Hg | NE 52° 7 (7.81) m/s | 0 |
| 23:00 | Patchy rain possible | 18 °C | 27% (0.16 mm/hr) | 78% | 74% | 773 mm Hg | NE 46° 6.81 (7.72) m/s | 0 |
Sun, Oct 18, 2026
Sydney 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.