Sydenham Weather Forecast
- 13
- 22
Partly cloudy
- 14
- 23
Partly cloudy
- 15
- 24
Partly cloudy
- 16
- 25
Sunny
- 17
- 25
Possible shower
- 17
- 26
Partly cloudy
- 17
- 27
Possible shower
Today 18 Oct Sydney
Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the afternoon and early evening. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then becoming light in the late evening.
Sydenham Temperature Statistics View More
October Temperature
Sydney Airport (3 km)
Lowest 15 October, 2026
10.8 °CAverage October
18.9 °CHighest 12 October, 2026
35.6 °C
Climate (2021–2026)
Sydney Airport (3 km)
Average Low 2021–2026
15 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
23.5 °C