Perth forecast: Wednesday 30 September 10–18°C, around 2.5 mm rain; Thursday 1 October 10–20°C, around 0.6 mm rain; Friday 2 October 8–22°C.
| Date | Min °C | Max °C | Rain (24 h, mm) | Wind Max (km/h) | Gust Max (km/h) | Wet-bulb Max (°C) | Heat Index Max (°C) | Apparent Max (°C) | Frost Risk Max (%) | Chill Hours (h) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-30 | 9.7 | 18.1 | 2.5 | 24 | 30 | 11.9 | 16.9 | 11.7 | 0 | 0 |
| 2026-10-01 | 9.5 | 19.8 | 0.6 | 23 | 31 | 11.4 | 19.1 | 14.4 | 0 | 0 |
| 2026-10-02 | 7.6 | 22.0 | — | 24 | 40 | 13.0 | 22.1 | 18.6 | 0 | 0 |
| 2026-10-03 | 8.9 | 21.7 | — | 21 | 27 | 14.5 | 21.6 | 19.3 | 0 | 0 |
| 2026-10-04 | 9.9 | 20.0 | — | 19 | 29 | 14.3 | 19.4 | 17.0 | 0 | 0 |
| 2026-10-05 | 11.3 | 19.2 | 0.5 | 22 | 26 | 13.7 | 18.6 | 14.6 | 0 | 0 |
| 2026-10-06 | 6.5 | — | 0.5 | — | — | — | — | — | 0 | — |