5-day weather forecast Sydney 21-03-2026
Weather forecast Sydney Saturday 21 March 21.03.2026: patchy rain possible, temperature from 20 °C to 25 °C.
Precipitation probability 100%. Wind up to 4.81 m/s (gusts 6.83 m/s). Air humidity 61–85%, atmospheric pressure 760–764 mm Hg, UV index up to 7.7.
Sunrise 19:54
Sunset 08:12
Sunset 08:12
Chart
Table
Type of temperature:
°C
°FSat, 21 Mar, 2026
| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 21 °C | 100% (0.08 mm/hr) | 66% | 81% | 764 mm Hg | S 183° 2.61 (4.11) m/s | 0 |
| 01:00 | Patchy rain possible | 21 °C | 100% (0.07 mm/hr) | 75% | 82% | 764 mm Hg | SSW 194° 2.31 (3.61) m/s | 0 |
| 02:00 | Patchy rain possible | 21 °C | 100% (0.06 mm/hr) | 82% | 83% | 764 mm Hg | SSW 208° 2.39 (3.72) m/s | 0 |
| 03:00 | Patchy rain possible | 21 °C | 100% (0.1 mm/hr) | 92% | 84% | 763 mm Hg | SW 221° 2.81 (4.11) m/s | 0 |
| 04:00 | Patchy rain possible | 21 °C | 83% (0.03 mm/hr) | 90% | 84% | 763 mm Hg | SW 224° 3.31 (4.75) m/s | 0 |
| 05:00 | Patchy rain possible | 20 °C | 62% (0.02 mm/hr) | 82% | 85% | 762 mm Hg | SW 229° 3.39 (4.83) m/s | 0 |
| 06:00 | Patchy rain possible | 20 °C | 68% (0.01 mm/hr) | 72% | 84% | 762 mm Hg | SW 230° 3.31 (4.72) m/s | 0 |
| 07:00 | Patchy rain possible | 20 °C | 70% (0.01 mm/hr) | 71% | 84% | 763 mm Hg | WSW 237° 3 (4.36) m/s | 0 |
| 08:00 |  Patchy rain possible | 20 °C | 76% (0.01 mm/hr) | 71% | 82% | 763 mm Hg | WSW 243° 3.11 (4.31) m/s | 0.4 |
| 09:00 | Patchy rain possible | 21 °C | 72% (0.02 mm/hr) | 55% | 78% | 763 mm Hg | WSW 248° 3 (3.81) m/s | 1.2 |
| 10:00 | Patchy rain possible | 22 °C | 85% (0.03 mm/hr) | 87% | 73% | 764 mm Hg | WSW 250° 2.5 (2.92) m/s | 2.8 |
| 11:00 |  Cloudy | 23 °C | 0% | 63% | 68% | 763 mm Hg | SW 236° 1.61 (1.83) m/s | 4.8 |
| 12:00 |  Sunny | 23 °C | 0% | 7% | 63% | 763 mm Hg | SSE 166° 3.5 (4.03) m/s | 6.8 |
| 13:00 | Sunny | 24 °C | 0% | 7% | 61% | 762 mm Hg | SSE 157° 3.69 (4.25) m/s | 7.7 |
| 14:00 |  Thundery outbreaks possible | 25 °C | 0% | 27% | 63% | 761 mm Hg | SE 126° 1.69 (1.97) m/s | 6.5 |
| 15:00 | Sunny | 24 °C | 0% | 12% | 61% | 761 mm Hg | SSE 148° 4.19 (4.83) m/s | 4.4 |
| 16:00 | Sunny | 23 °C | 0% | 9% | 65% | 761 mm Hg | SSE 152° 4.5 (5.22) m/s | 2.6 |
| 17:00 | Thundery outbreaks possible | 23 °C | 0% | 42% | 70% | 760 mm Hg | ESE 113° 2.31 (3.03) m/s | 0.8 |
| 18:00 | Patchy rain possible | 23 °C | 74% (0.02 mm/hr) | 61% | 73% | 761 mm Hg | SSE 153° 4.81 (6.17) m/s | 0.1 |
| 19:00 | Patchy rain possible | 22 °C | 100% (0.09 mm/hr) | 73% | 76% | 762 mm Hg | SSE 156° 4.81 (6.83) m/s | 0 |
| 20:00 |  Thundery outbreaks possible | 22 °C | 0% | 44% | 77% | 761 mm Hg | ENE 68° 2.31 (3.53) m/s | 0 |
| 21:00 |  Light rain shower | 22 °C | 100% (0.72 mm/hr) | 68% | 79% | 763 mm Hg | SSE 163° 4.5 (6.83) m/s | 0 |
| 22:00 | Light rain shower | 21 °C | 100% (0.58 mm/hr) | 82% | 81% | 763 mm Hg | S 171° 4.11 (6.17) m/s | 0 |
| 23:00 | Patchy rain possible | 22 °C | 89% (0.04 mm/hr) | 75% | 77% | 761 mm Hg | SSW 208° 0.19 (0.36) m/s | 0 |
Sat, 21 Mar, 2026
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.