Thornleigh is a city of approximately 8,400 people in New South Wales, Australia. Located in the Australian Eastern time zone at 33.7°S latitude.
Recent weather here gives a sense of typical conditions: in 2025, Thornleigh recorded a mean annual temperature of 63°F, ranging from 37°F lows in July to 105°F highs in January, with about 43 inches of precipitation across the year.
View historical weather for Thornleigh · More cities in New South Wales