Weather on October 23 in Ottawa
Historical weather data for October 23 in Ottawa, Canada
Based on 55 years of data from OTTAWA CDA RCS
About This Date
October 23rd in Ottawa, Canada typically brings cool fall weather, with average highs around 12°C and lows near 3°C. Over 55 years of records, the warmest October 23rd was in 1979 (20°C average), while the coldest was 1997 (-2°C) — a 39°F range across recorded history. Precipitation has occurred on 35% of recorded October 23rd dates, with snow falling 4% of the time. The last decade has been 8.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 8.7°F warmer on this date compared to 20-30 years ago.
Planning for October 23rd in Ottawa? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 10°C (50°F) | 6°C (43°F) | -- |
| 2024 | 24°C (76°F) | 9°C (49°F) | 0 mm |
| 2023 | 11°C (52°F) | 1°C (34°F) | 2 mm |
| 2022 | 22°C (71°F) | 2°C (36°F) | 0 mm |
| 2021 | 8°C (47°F) | 1°C (33°F) | 0 mm |
| 2020 | 24°C (76°F) | 9°C (49°F) | 3 mm |
| 2019 | 14°C (58°F) | 7°C (45°F) | 0 mm |
| 2018 | 11°C (51°F) | 1°C (33°F) | 0 mm |
| 2017 | 22°C (71°F) | 8°C (46°F) | 21 mm |
| 2016 | 11°C (52°F) | 2°C (36°F) | 0 mm |
| 2015 | 8°C (47°F) | -2°C (28°F) | 0 mm |
| 2014 | 14°C (57°F) | 4°C (40°F) | 0 mm |
| 2013 | 8°C (47°F) | 2°C (35°F) | 0 mm |
| 2012 | 14°C (57°F) | 3°C (38°F) | 0 mm |
| 2011 | 12°C (54°F) | 4°C (39°F) | 1 mm |
| 2010 | 8°C (47°F) | -1°C (30°F) | 0 mm |
| 2009 | 4°C (40°F) | -1°C (30°F) | 24 mm |
| 2008 | 9°C (49°F) | -4°C (24°F) | 0 mm |
| 2007 | 16°C (61°F) | 2°C (36°F) | -- |
| 2006 | 6°C (42°F) | 2°C (36°F) | 4 mm |
| 2005 | 8°C (47°F) | 5°C (41°F) | 24 mm |
| 2004 | 11°C (52°F) | 1°C (33°F) | 0 mm |
| 2003 | 4°C (40°F) | 2°C (35°F) | 0 mm |
| 2002 | 8°C (47°F) | -1°C (31°F) | 0 mm |
| 2001 | 16°C (61°F) | 3°C (37°F) | 21 mm |
| 2000 | 13°C (55°F) | -3°C (27°F) | 0 mm |
| 1999 | 8°C (46°F) | 4°C (39°F) | 14 mm |
| 1998 | 18°C (64°F) | 0°C (32°F) | 0 mm |
| 1997 | 3°C (37°F) | -6°C (21°F) | 2 mm |
| 1996 | 12°C (53°F) | 4°C (40°F) | 14 mm |
| 1995 | 17°C (63°F) | 6°C (43°F) | 0 mm |
| 1994 | 17°C (63°F) | 9°C (49°F) | 0 mm |
| 1993 | 9°C (48°F) | 1°C (34°F) | 0 mm |
| 1992 | 14°C (58°F) | 2°C (35°F) | 10 mm |
| 1991 | 18°C (64°F) | 2°C (36°F) | 0 mm |
| 1990 | 9°C (48°F) | 3°C (37°F) | 0 mm |
| 1989 | 16°C (61°F) | 1°C (33°F) | 0 mm |
| 1988 | 4°C (39°F) | 0°C (32°F) | 7 mm |
| 1987 | 4°C (40°F) | -2°C (29°F) | 4 mm |
| 1986 | 13°C (56°F) | 8°C (47°F) | 0 mm |
| 1985 | 20°C (68°F) | 7°C (44°F) | 1 mm |
| 1984 | 13°C (56°F) | 5°C (41°F) | 0 mm |
| 1983 | 7°C (44°F) | 2°C (35°F) | 18 mm |
| 1982 | 8°C (47°F) | -1°C (30°F) | 0 mm |
| 1981 | 4°C (39°F) | 0°C (32°F) | 3 mm |
| 1980 | 6°C (42°F) | -3°C (27°F) | 0 mm |
| 1979 | 24°C (76°F) | 16°C (60°F) | 5 mm |
| 1978 | 7°C (44°F) | 3°C (37°F) | 0 mm |
| 1977 | 9°C (48°F) | -1°C (31°F) | 0 mm |
| 1976 | 7°C (44°F) | 1°C (33°F) | 0 mm |
| 1975 | 15°C (59°F) | 5°C (41°F) | 0 mm |
| 1974 | 12°C (53°F) | 4°C (39°F) | 0 mm |
| 1973 | 20°C (68°F) | 3°C (37°F) | 0 mm |
| 1972 | 5°C (41°F) | 4°C (40°F) | 50 mm |
| 1971 | 16°C (60°F) | 11°C (51°F) | 0 mm |