Weather on October 18 in Istanbul
Historical weather data for October 18 in Istanbul, Turkey
Based on 56 years of data from ISTANBUL
About This Date
October 18th in Istanbul, Turkey typically brings mild fall weather, with average highs around 19°C and lows near 12°C. Over 56 years of records, the warmest October 18th was in 1973 (22°C average), while the coldest was 2005 (8°C) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 41% of October 18th dates historically, with the wettest October 18th recording 2.01" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Istanbul? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 18°C (64°F) | 10°C (50°F) | -- |
| 2025 | 22°C (72°F) | 12°C (54°F) | 0 mm |
| 2024 | 17°C (63°F) | -- | 0 mm |
| 2023 | 19°C (67°F) | -- | 7 mm |
| 2022 | 20°C (68°F) | -- | 0 mm |
| 2021 | 17°C (63°F) | -- | 1 mm |
| 2020 | 21°C (70°F) | 16°C (60°F) | 0 mm |
| 2019 | -- | 14°C (58°F) | -- |
| 2018 | 24°C (75°F) | 18°C (64°F) | 7 mm |
| 2017 | -- | 12°C (54°F) | -- |
| 2016 | 14°C (58°F) | 11°C (51°F) | 3 mm |
| 2015 | 20°C (68°F) | -- | 0 mm |
| 2014 | 23°C (73°F) | -- | 1 mm |
| 2013 | 14°C (58°F) | 12°C (53°F) | 40 mm |
| 2012 | 27°C (81°F) | 14°C (58°F) | 0 mm |
| 2011 | 7°C (45°F) | -- | 2 mm |
| 2010 | 21°C (69°F) | 13°C (56°F) | 0 mm |
| 2009 | 23°C (74°F) | 17°C (62°F) | 7 mm |
| 2008 | 23°C (73°F) | 10°C (50°F) | 0 mm |
| 2007 | 27°C (80°F) | 7°C (44°F) | 0 mm |
| 2006 | 13°C (56°F) | 9°C (49°F) | 10 mm |
| 2005 | 14°C (58°F) | 2°C (35°F) | 0 mm |
| 2004 | 29°C (84°F) | -- | 0 mm |
| 2003 | 17°C (62°F) | 13°C (55°F) | 1 mm |
| 2002 | 22°C (72°F) | 13°C (55°F) | -- |
| 2001 | 18°C (65°F) | 12°C (54°F) | -- |
| 2000 | 19°C (67°F) | 15°C (59°F) | -- |
| 1999 | 17°C (63°F) | 9°C (49°F) | 0 mm |
| 1998 | 21°C (70°F) | 12°C (53°F) | -- |
| 1997 | 14°C (58°F) | 11°C (51°F) | 2 mm |
| 1996 | 21°C (70°F) | 13°C (56°F) | -- |
| 1995 | 18°C (64°F) | 13°C (55°F) | -- |
| 1994 | 18°C (65°F) | 15°C (59°F) | 3 mm |
| 1993 | 26°C (78°F) | 13°C (56°F) | -- |
| 1992 | 25°C (77°F) | 16°C (60°F) | -- |
| 1991 | 22°C (72°F) | 16°C (60°F) | 0 mm |
| 1990 | 20°C (68°F) | 12°C (53°F) | -- |
| 1989 | 13°C (56°F) | 10°C (50°F) | 51 mm |
| 1988 | 18°C (64°F) | 13°C (55°F) | 2 mm |
| 1987 | 20°C (68°F) | 16°C (60°F) | -- |
| 1986 | 14°C (57°F) | 10°C (50°F) | 1 mm |
| 1985 | 13°C (56°F) | 8°C (46°F) | 6 mm |
| 1984 | 16°C (60°F) | 7°C (45°F) | 21 mm |
| 1983 | 23°C (73°F) | 11°C (51°F) | -- |
| 1982 | 19°C (67°F) | 11°C (52°F) | 12 mm |
| 1981 | 22°C (72°F) | 11°C (51°F) | -- |
| 1980 | 26°C (78°F) | 14°C (57°F) | -- |
| 1979 | 22°C (72°F) | 14°C (57°F) | -- |
| 1978 | 21°C (69°F) | 12°C (54°F) | -- |
| 1977 | 11°C (51°F) | 7°C (44°F) | 2 mm |
| 1976 | 19°C (66°F) | 14°C (57°F) | 1 mm |
| 1975 | 27°C (81°F) | 13°C (56°F) | -- |
| 1974 | 20°C (68°F) | 17°C (63°F) | -- |
| 1973 | 26°C (79°F) | 18°C (64°F) | -- |
| 1972 | 14°C (58°F) | 12°C (53°F) | 1 mm |
| 1971 | 15°C (59°F) | 13°C (55°F) | 4 mm |