Weather on October 27 in Ottawa
Historical weather data for October 27 in Ottawa, Canada
Based on 55 years of data from OTTAWA CDA
About This Date
October 27th in Ottawa, Canada typically brings cool fall weather, with average highs around 11°C and lows near 3°C. Over 55 years of records, the warmest October 27th was in 1989 (17°C average), while the coldest was 1976 (0°C) — a 30°F range across recorded history. Precipitation has occurred on 58% of recorded October 27th dates, with snow falling 5% of the time (heaviest snowfall: 2.8"). The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for October 27th 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 |
|---|---|---|---|
| 2025 | 12°C (53°F) | -1°C (30°F) | -- |
| 2024 | 11°C (51°F) | 1°C (33°F) | 0.03" |
| 2023 | 21°C (70°F) | 8°C (46°F) | 0.14" |
| 2022 | 9°C (48°F) | -2°C (29°F) | 0" |
| 2021 | 14°C (57°F) | 6°C (43°F) | 0" |
| 2020 | 3°C (38°F) | -2°C (29°F) | 0" |
| 2019 | 12°C (54°F) | 4°C (40°F) | 3.22" |
| 2018 | 6°C (43°F) | -1°C (30°F) | 1.1" |
| 2017 | 12°C (53°F) | 4°C (39°F) | 0" |
| 2016 | 3°C (37°F) | -2°C (28°F) | 0.94" |
| 2015 | -- | -3°C (26°F) | -- |
| 2014 | 10°C (50°F) | 4°C (39°F) | 0.42" |
| 2013 | 8°C (46°F) | 3°C (37°F) | 0.08" |
| 2012 | 12°C (53°F) | 6°C (42°F) | 0.13" |
| 2011 | 4°C (40°F) | 1°C (33°F) | 0" |
| 2010 | 18°C (65°F) | 9°C (49°F) | 0.11" |
| 2009 | 9°C (48°F) | 3°C (38°F) | 0" |
| 2008 | 12°C (53°F) | 2°C (36°F) | 0.04" |
| 2007 | 16°C (61°F) | 4°C (40°F) | 1.61" |
| 2006 | 6°C (43°F) | 0°C (32°F) | 0.19" |
| 2005 | 6°C (42°F) | 3°C (37°F) | 0" |
| 2004 | 10°C (50°F) | 5°C (41°F) | 0" |
| 2003 | 6°C (43°F) | 4°C (39°F) | 0.65" |
| 2002 | 9°C (49°F) | 2°C (35°F) | 0" |
| 2001 | 6°C (43°F) | 3°C (37°F) | 0" |
| 2000 | 17°C (63°F) | 8°C (47°F) | 0.44" |
| 1999 | 8°C (46°F) | 3°C (37°F) | 0" |
| 1998 | 18°C (65°F) | 4°C (39°F) | 0.64" |
| 1997 | 2°C (36°F) | -1°C (31°F) | 0.5" |
| 1996 | 16°C (60°F) | 3°C (37°F) | 0" |
| 1995 | 14°C (57°F) | 7°C (45°F) | 0.23" |
| 1994 | 9°C (49°F) | 1°C (33°F) | 0.02" |
| 1993 | 8°C (46°F) | 7°C (44°F) | 0.18" |
| 1992 | 7°C (44°F) | 2°C (35°F) | 0" |
| 1991 | 18°C (65°F) | 9°C (49°F) | 0.04" |
| 1990 | 8°C (46°F) | -6°C (21°F) | 0.4" |
| 1989 | 22°C (72°F) | 11°C (51°F) | 0" |
| 1988 | 8°C (47°F) | -2°C (29°F) | 0.08" |
| 1987 | 14°C (57°F) | -1°C (30°F) | 0.46" |
| 1986 | 9°C (48°F) | 4°C (39°F) | 0.46" |
| 1985 | 15°C (59°F) | 8°C (47°F) | 0" |
| 1984 | 19°C (66°F) | 3°C (37°F) | 0.3" |
| 1983 | 8°C (46°F) | 3°C (37°F) | 0.1" |
| 1982 | 16°C (61°F) | -2°C (28°F) | 0" |
| 1981 | 10°C (50°F) | 7°C (44°F) | 3.56" |
| 1980 | 7°C (44°F) | -1°C (30°F) | 0.06" |
| 1979 | 3°C (37°F) | -2°C (28°F) | 0.1" |
| 1978 | 9°C (49°F) | 3°C (38°F) | 0.12" |
| 1977 | 18°C (64°F) | 6°C (43°F) | 0" |
| 1976 | 3°C (37°F) | -3°C (26°F) | 0" |
| 1975 | 14°C (58°F) | 0°C (32°F) | 0.03" |
| 1974 | 4°C (39°F) | -3°C (27°F) | 0" |
| 1973 | 7°C (45°F) | -1°C (31°F) | 0" |
| 1972 | 14°C (58°F) | 1°C (33°F) | 0.05" |
| 1971 | 18°C (64°F) | 12°C (53°F) | 0" |