Weather on October 18 in Sydney
Historical weather data for October 18 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
October 18th in Sydney, Australia typically brings pleasant fall weather, with average highs around 22°C and lows near 14°C. Over 55 years of records, the warmest October 18th was in 1998 (27°C average), while the coldest was 1976 (13°C) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 36% of October 18th dates historically, with the wettest October 18th recording 3.56" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for October 18th in Sydney? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 20°C (68°F) | 17°C (63°F) | -- |
| 2024 | 21°C (70°F) | 16°C (60°F) | -- |
| 2023 | 19°C (66°F) | 13°C (55°F) | -- |
| 2022 | 19°C (67°F) | 14°C (58°F) | -- |
| 2021 | 21°C (69°F) | 14°C (57°F) | -- |
| 2020 | 22°C (72°F) | 18°C (64°F) | -- |
| 2019 | 24°C (76°F) | 12°C (54°F) | 0 mm |
| 2018 | 24°C (75°F) | 18°C (64°F) | 13 mm |
| 2017 | 23°C (74°F) | 19°C (66°F) | 0 mm |
| 2016 | 26°C (78°F) | 12°C (53°F) | 8 mm |
| 2015 | 23°C (74°F) | 19°C (66°F) | 4 mm |
| 2014 | 21°C (69°F) | 13°C (55°F) | 0 mm |
| 2013 | 22°C (72°F) | 14°C (57°F) | 0 mm |
| 2012 | 22°C (71°F) | 17°C (62°F) | 0 mm |
| 2011 | 20°C (68°F) | 13°C (55°F) | 1 mm |
| 2010 | 24°C (76°F) | 13°C (55°F) | 0 mm |
| 2009 | 19°C (66°F) | 14°C (57°F) | 18 mm |
| 2008 | 23°C (74°F) | 17°C (62°F) | 0 mm |
| 2007 | 22°C (72°F) | 12°C (53°F) | 0 mm |
| 2006 | 30°C (86°F) | 17°C (63°F) | 0 mm |
| 2005 | 22°C (71°F) | 14°C (58°F) | 2 mm |
| 2004 | 16°C (60°F) | 13°C (55°F) | 56 mm |
| 2003 | 24°C (75°F) | 14°C (57°F) | 0 mm |
| 2002 | 27°C (80°F) | 16°C (60°F) | 0 mm |
| 2001 | 27°C (80°F) | 17°C (62°F) | 0 mm |
| 2000 | 19°C (67°F) | 13°C (56°F) | 9 mm |
| 1999 | 23°C (74°F) | 14°C (57°F) | 0 mm |
| 1998 | 36°C (96°F) | 19°C (66°F) | 0 mm |
| 1997 | 18°C (64°F) | 13°C (56°F) | 0 mm |
| 1996 | 23°C (74°F) | 16°C (61°F) | 13 mm |
| 1995 | 24°C (76°F) | 18°C (65°F) | 0 mm |
| 1994 | 21°C (70°F) | 16°C (61°F) | 0 mm |
| 1993 | 24°C (76°F) | 16°C (60°F) | 1 mm |
| 1992 | 21°C (70°F) | 17°C (62°F) | 11 mm |
| 1991 | 21°C (69°F) | 11°C (52°F) | 0 mm |
| 1990 | 23°C (74°F) | 13°C (56°F) | 0 mm |
| 1989 | 23°C (74°F) | 15°C (59°F) | 0 mm |
| 1988 | 27°C (80°F) | 13°C (56°F) | 0 mm |
| 1987 | 22°C (72°F) | 13°C (56°F) | 2 mm |
| 1986 | 23°C (74°F) | 15°C (59°F) | 0 mm |
| 1985 | 26°C (78°F) | 16°C (61°F) | 4 mm |
| 1984 | 18°C (64°F) | 10°C (50°F) | 0 mm |
| 1983 | 22°C (72°F) | 13°C (55°F) | 0 mm |
| 1982 | 20°C (68°F) | 11°C (51°F) | 10 mm |
| 1981 | 16°C (60°F) | 13°C (55°F) | 55 mm |
| 1980 | 22°C (71°F) | 17°C (62°F) | 0 mm |
| 1979 | 21°C (70°F) | 13°C (56°F) | 0 mm |
| 1978 | 17°C (62°F) | 13°C (56°F) | 8 mm |
| 1977 | 24°C (75°F) | 13°C (55°F) | 0 mm |
| 1976 | 15°C (59°F) | 12°C (53°F) | 90 mm |
| 1975 | 19°C (66°F) | 12°C (53°F) | 7 mm |
| 1974 | 19°C (67°F) | 8°C (47°F) | 54 mm |
| 1973 | 28°C (83°F) | 18°C (64°F) | 0 mm |
| 1972 | 22°C (71°F) | 17°C (62°F) | 2 mm |
| 1971 | 21°C (70°F) | 11°C (52°F) | 0 mm |