5-day weather forecast Sydney 18-03-2026
Weather forecast Sydney today 18.03.2026: patchy rain possible, temperature from 21 °C to 23 °C.
Precipitation probability 100%. Wind up to 5.5 m/s (gusts 7.86 m/s). Air humidity 75–88%, atmospheric pressure 764–767 mm Hg, UV index up to 6.9.
Sunset 19:11
| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 23 °C | 0% | 46% | 75% | 764 mm Hg | S 176° 5.11 (7.31) m/s | 0 |
| 01:00 |  Patchy light drizzle | 23 °C | 100% (0.36 mm/hr) | 79% | 75% | 765 mm Hg | S 183° 5.5 (7.67) m/s | 0 |
| 02:00 |  Patchy rain possible | 23 °C | 100% (0.13 mm/hr) | 82% | 76% | 765 mm Hg | S 181° 4.89 (6.83) m/s | 0 |
| 03:00 | Patchy rain possible | 22 °C | 100% (1.03 mm/hr) | 74% | 80% | 764 mm Hg | S 169° 4.81 (7.08) m/s | 0 |
| 04:00 |  Light rain shower | 22 °C | 100% (1.6 mm/hr) | 63% | 82% | 764 mm Hg | SSE 162° 4.81 (7.36) m/s | 0 |
| 05:00 | Patchy rain possible | 22 °C | 100% (0.81 mm/hr) | 79% | 83% | 764 mm Hg | SSE 166° 4.69 (7.86) m/s | 0 |
| 06:00 |  Light drizzle | 21 °C | 100% (1.15 mm/hr) | 100% | 88% | 765 mm Hg | SSE 168° 4.69 (6.94) m/s | 0 |
| 07:00 |  Patchy rain possible | 21 °C | 100% (0.98 mm/hr) | 78% | 85% | 766 mm Hg | SSE 160° 4.5 (6.61) m/s | 0 |
| 08:00 | Patchy rain possible | 22 °C | 100% (1.11 mm/hr) | 71% | 84% | 766 mm Hg | SSE 155° 4.39 (7) m/s | 0.4 |
| 09:00 |  Light rain shower | 22 °C | 100% (0.94 mm/hr) | 70% | 82% | 766 mm Hg | SSE 150° 4.61 (7.86) m/s | 1.3 |
| 10:00 | Light rain shower | 22 °C | 100% (0.68 mm/hr) | 62% | 81% | 767 mm Hg | SSE 150° 4.31 (7.78) m/s | 3.3 |
| 11:00 | Light rain shower | 22 °C | 100% (0.68 mm/hr) | 74% | 80% | 767 mm Hg | SSE 150° 4.19 (7.86) m/s | 4.9 |
| 12:00 | Light rain shower | 23 °C | 100% (0.56 mm/hr) | 87% | 78% | 766 mm Hg | SSE 147° 4.39 (5.47) m/s | 6.1 |
| 13:00 | Light rain shower | 23 °C | 100% (0.58 mm/hr) | 100% | 78% | 766 mm Hg | SE 146° 4.39 (5.94) m/s | 6.9 |
| 14:00 | Light rain shower | 23 °C | 100% (0.41 mm/hr) | 100% | 78% | 765 mm Hg | SE 141° 4.61 (6.61) m/s | 6.4 |
| 15:00 | Light rain shower | 23 °C | 100% (0.3 mm/hr) | 100% | 78% | 765 mm Hg | SE 139° 4.69 (7.06) m/s | 5.7 |
| 16:00 | Patchy rain possible | 22 °C | 100% (0.08 mm/hr) | 98% | 79% | 764 mm Hg | SE 142° 4.5 (6.89) m/s | 3.2 |
| 17:00 | Patchy rain possible | 22 °C | 70% (0.02 mm/hr) | 95% | 79% | 764 mm Hg | SE 143° 4.31 (6.58) m/s | 1.1 |
| 18:00 | Patchy rain possible | 22 °C | 66% (0.01 mm/hr) | 94% | 78% | 764 mm Hg | SE 144° 3.89 (5.5) m/s | 0.2 |
| 19:00 | Patchy rain possible | 22 °C | 72% (0.01 mm/hr) | 98% | 78% | 764 mm Hg | SE 140° 3.81 (5.5) m/s | 0 |
| 20:00 | Patchy rain possible | 22 °C | 73% (0.01 mm/hr) | 100% | 78% | 764 mm Hg | SE 136° 3.5 (5.11) m/s | 0 |
| 21:00 | Patchy rain possible | 22 °C | 77% (0.01 mm/hr) | 100% | 77% | 765 mm Hg | SE 137° 3 (4.39) m/s | 0 |
| 22:00 | Patchy rain possible | 22 °C | 70% (0.03 mm/hr) | 96% | 77% | 765 mm Hg | SE 135° 2.5 (3.67) m/s | 0 |
| 23:00 | Patchy rain possible | 22 °C | 68% (0.02 mm/hr) | 92% | 78% | 765 mm Hg | SE 139° 2.11 (3.08) m/s | 0 |
Frequently asked questions about the weather in Sydney
What is the weather in Sydney today?
Today in Sydney the temperature ranges from 21 °C to 23 °C, wind up to 5.5 m/s. Check the detailed hourly forecast above for more information.
Will it rain in Sydney this week?
The precipitation probability in Sydney today is 100%. View the full multi-day forecast above to see the rain chances for each upcoming day.
What is the wind speed in Sydney today?
The wind speed in Sydney today reaches up to 5.5 m/s with gusts up to 7.86 m/s. Check the detailed wind chart above for hourly wind data.
What is the humidity in Sydney today?
The air humidity in Sydney today ranges from 75% to 88%. View the humidity chart above for hourly details.
What is the UV index in Sydney today?
The UV index in Sydney today reaches up to 6.9. Check the UV index chart above for hourly values throughout the day.
What is the atmospheric pressure in Sydney today?
The atmospheric pressure in Sydney today ranges from 764 to 767 mm Hg. View the pressure chart above for hourly readings.
What is the cloud cover in Sydney today?
Cloud cover in Sydney today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.
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.