Monthly Historical AveragesCastle Hill, NSW
Average Temperature
High
19°
Feels 19
Low
11°
Feels 10
Average Precipitation
6 Days
44.5mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, May 20, 2026
Day
17°Feels 17
Wind
15 km/h SW
Gust
22 km/h
Humidity
45%
P.O.P
0%
Night
9°Feels 8
Wind
12 km/h SW
Gust
18 km/h
Humidity
76%
P.O.P
0%
Historical AveragesMay 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity