5-day weather forecast Sydney Sep 20, 2026
22°Weather forecast Sydney tomorrow Sep 20, 2026: sunny, temperature from 17 °C to 22 °C.
Precipitation probability 6%. Wind up to 7.19 m/s (gusts 12.11 m/s). Air humidity 40–70%, atmospheric pressure 761–766 mm Hg, UV index up to 7.6.
5 days at a glance — tap a day to open it
Sunrise 05:47
Sunset 17:50
Sunset 17:50
Waxing Gibbous73% illuminated
Moonrise 11:50 · Moonset 02:06
Moonrise 11:50 · Moonset 02:06
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 19 °C | 2% | 0% | 48% | 766 mm Hg | WSW 256° 3.5 (4.03) m/s | 0 |
| 01:00 | Clear | 19 °C | 3% | 0% | 55% | 766 mm Hg | SW 221° 3.5 (4.42) m/s | 0 |
| 02:00 | Clear | 19 °C | 3% | 0% | 57% | 766 mm Hg | SW 223° 4.69 (6.92) m/s | 0 |
| 03:00 | Clear | 18 °C | 3% | 0% | 59% | 765 mm Hg | SW 229° 5.11 (7.72) m/s | 0 |
| 04:00 | Clear | 18 °C | 3% | 0% | 56% | 765 mm Hg | WSW 240° 4.61 (6.31) m/s | 0 |
| 05:00 | Clear | 17 °C | 2% | 0% | 52% | 765 mm Hg | WSW 258° 4 (5.11) m/s | 0 |
| 06:00 | Sunny | 17 °C | 2% | 0% | 48% | 766 mm Hg | W 279° 3.81 (4.61) m/s | 0 |
| 07:00 | Sunny | 17 °C | 1% | 0% | 46% | 766 mm Hg | WNW 284° 4.31 (5.11) m/s | 0.4 |
| 08:00 | Sunny | 18 °C | 1% | 0% | 46% | 766 mm Hg | WNW 290° 4.61 (5.5) m/s | 1.5 |
| 09:00 | Sunny | 20 °C | 1% | 0% | 44% | 765 mm Hg | WNW 303° 3.61 (4.53) m/s | 3.3 |
| 10:00 | Sunny | 21 °C | 1% | 0% | 42% | 764 mm Hg | NNW 334° 2.89 (3.53) m/s | 5.5 |
| 11:00 | Sunny | 22 °C | 1% | 0% | 40% | 764 mm Hg | NNE 16° 3.11 (3.72) m/s | 7.1 |
| 12:00 | Sunny | 21 °C | 2% | 0% | 49% | 763 mm Hg | NE 47° 5 (8) m/s | 7.6 |
| 13:00 | Sunny | 20 °C | 2% | 0% | 53% | 762 mm Hg | NE 52° 6.5 (9.5) m/s | 6.9 |
| 14:00 | Sunny | 20 °C | 3% | 0% | 58% | 761 mm Hg | NE 52° 7.11 (12.11) m/s | 5.1 |
| 15:00 | Sunny | 20 °C | 3% | 0% | 59% | 761 mm Hg | NE 51° 7.19 (9) m/s | 3 |
| 16:00 | Sunny | 21 °C | 3% | 0% | 56% | 761 mm Hg | NE 50° 5.39 (7.83) m/s | 1.3 |
| 17:00 | Sunny | 21 °C | 4% | 0% | 61% | 761 mm Hg | ENE 63° 5.11 (7.53) m/s | 0.3 |
| 18:00 | Clear | 20 °C | 4% | 0% | 65% | 761 mm Hg | E 89° 2.31 (3.81) m/s | 0 |
| 19:00 | Clear | 20 °C | 6% | 0% | 70% | 762 mm Hg | SE 132° 0.69 (1.92) m/s | 0 |
| 20:00 | Clear | 20 °C | 5% | 0% | 67% | 763 mm Hg | W 280° 0.89 (1.19) m/s | 0 |
| 21:00 | Clear | 20 °C | 3% | 0% | 56% | 763 mm Hg | WNW 302° 1.89 (2.03) m/s | 0 |
| 22:00 | Clear | 20 °C | 1% | 0% | 45% | 763 mm Hg | NW 311° 3.81 (4.31) m/s | 0 |
| 23:00 | Clear | 20 °C | 1% | 0% | 42% | 762 mm Hg | NW 312° 5.19 (7.83) m/s | 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.