Castlecrag Weather Forecast
- 15
- 20
Rain
- 12
- 20
Mostly sunny
- 13
- 20
Shower or two
- 14
- 21
Showers
- 15
- 22
Showers
- 14
- 22
Shower or two
- 15
- 21
Shower or two
Today 19 May Sydney
Cloudy. Very high chance of rain, most likely in the morning and afternoon. Light winds becoming southwesterly 15 to 20 km/h in the early afternoon then becoming light in the late evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- West to southwesterly below 10 knots increasing to 10 to 15 knots in the middle of the day then becoming southwesterly 15 to 25 knots in the late afternoon.
- Seas
- Below 0.5 metres.
- Weather
- Cloudy. 95% chance of rain.
Castlecrag Temperature Statistics View More
May Temperature
Sydney (Observatory Hill) (7km)
Lowest 8 May, 2026
9.9 °CAverage May
17.7 °CHighest 3 May, 2026
25.9 °C
Climate (2021–Present)
Sydney (Observatory Hill) (7km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
18.4 °CAverage High 2021–2026
23.5 °C