Ottawa October 27 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of October 27.
October 27 All-Time Records
1889–2024
Highest temperature 23.3 °C 1947
Lowest temperature -8.9 °C 1936
Lowest daily high 0.0 °C 1936
Highest daily low 11.7 °C 1971
Most precipitation 3.56 cm 1981
Most snow 8.1 cm 1965
October 27 Average Weather
1991–2020 1
Average high 10.7 °C
Average low 2.4 °C
Chance precipitation 46.2%
Chance snow 3.7%
Ottawa October 27 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 21.0 8.0 0.14 0.0
2022 9.0 4.0 0.00 0.0
2021 14.0 6.0 0.00 0.0
2020 3.5 -2.0 0.04 0.0
2019 12.0 4.5 1.20 0.0
2018 6.0 -1.0 1.10 7.0
2017 11.5 4.0 0.00 0.0
2016 3.0 -3.0 1.52 8.0
2015 12.2 -3.6 0.00 0.0
2014 10.0 4.0 0.42 0.0
2013 7.8 3.0 0.08 0.0
2012 10.5 8.4 0.25 0.0
2011 4.7 0.3 0.00 0.0
2010 18.5 9.6 0.00 0.0
2009 9.1 3.3 0.00 0.0
2008 11.5 2.1 0.04 0.0
2007 16.8 9.5 1.16 0.0
2006 6.7 -0.2 1.42 0.0
2005 5.8 2.9 0.00 0.0
2004 10.1 5.0 0.00 0.0
2003 6.0 4.1 0.65 0.0
2002 9.5 2.2 0.03 0.0
2001 6.1 2.8 0.00 0.0
2000 17.1 8.1 0.44 0.0
1999 7.8 2.5 0.00 0.0
1998 18.5 4.0 0.64 0.0
1997 2.0 -0.4 0.50 0.0
1996 15.8 2.7 0.00 0.0
1995 14.1 7.0 0.23 0.0
1994 9.3 0.8 0.02 0.0
1993 7.6 6.5 0.18 0.0
1992 6.9 1.5 0.00 0.0
1991 18.3 9.2 0.04 0.0
1990 8.0 -6.1 0.40 0.0
1989 22.3 10.8 0.00 0.0
1988 8.5 -1.6 0.08 0.0
1987 13.8 -0.9 0.46 0.0
1986 9.1 3.8 0.46 0.0
1985 14.9 8.5 0.00 0.0
1984 18.9 3.0 0.30 0.0
1983 7.5 2.5 0.10 0.0
1982 16.0 -2.0 0.00 0.0
1981 10.0 6.5 3.56 0.0
1980 6.5 -1.0 0.06 0.4
1979 3.0 -2.0 0.10 1.0
1978 9.5 3.5 0.12 0.0
1977 18.0 6.0 0.00 0.0
1976 2.8 -3.3 0.00 0.0
1975 14.4 0.0 0.03 0.0
1974 3.9 -2.8 0.00 0.0
1973 7.2 -0.6 0.00 0.0
1972 14.4 0.6 0.05 0.0
1971 17.8 11.7 0.00 0.0
1970 8.9 3.9 0.00 0.0
1969 5.0 2.8 0.00 0.0
1968 9.4 -2.2 0.00 0.0
1967 11.1 3.3 0.08 0.0
1966 16.1 -2.2 0.00 0.0
1965 5.6 0.6 0.64 8.1
1964 20.0 4.4 0.00 0.0
1963 18.3 11.7 0.00 0.0
1962 4.4 -3.3 0.58 0.0
1961 5.6 0.0 0.00 0.0
1960 13.9 2.8 0.00 0.0
1959 3.3 1.1 0.05 0.0
1958 9.4 5.6 0.33 0.0
1957 1.7 0.0 0.00 0.0
1956 14.4 4.4 0.10 0.0
1955 10.6 2.8 0.00 0.0
1954 6.1 1.7 0.00 0.0
1953 11.7 5.0 0.61 0.0
1952 16.7 0.6 0.00 0.0
1951 7.8 4.4 0.00 0.0
1950 6.7 -7.2 0.08 0.0
1949 8.9 -1.1 0.00 0.0
1948 7.2 1.7 0.00 0.0
1947 23.3 5.0 0.00 0.0
1946 18.3 7.2 0.00 0.0
1945 7.2 1.7 0.00 0.0
1944 10.0 1.1 0.00 0.0
1943 6.1 3.3 0.08 0.0
1942 6.1 -3.3 0.00 0.0
1941 12.2 2.2 0.36 0.0
1940 5.0 -3.3 0.00 0.0
1939 17.2 3.3 1.14 0.0
1938 9.4 4.4 0.00 0.0
1937 10.0 6.1 0.00 0.0
1936 0.0 -8.9 0.00 0.0
1935 12.2 1.1 0.00 0.0
1934 5.0 0.6 0.00 0.0
1933 4.4 -5.6 0.18 0.0
1932 12.2 7.2 1.52 0.0
1931 13.3 1.7 0.00 0.0
1930 6.7 -5.0 0.00 0.0
1929 12.2 3.3 0.20 0.0
1928 6.1 -5.6 0.00 0.0
1927 11.1 1.7 0.00 0.0
1926 8.3 -1.7 0.00 0.0
1925 3.3 -3.9 0.00 0.0
1924 18.9 1.7 0.00 0.0
1923 8.3 -2.2 0.00 0.0
1922 3.3 -1.7 0.00 0.0
1921 11.1 -2.8 0.00 0.0
1920 17.2 7.8 1.85 0.0
1919 6.1 1.1 0.00 0.0
1918 12.2 8.9 0.00 0.0
1917 10.6 3.9 0.00 0.0
1916 6.1 -0.6 0.20 0.0
1915 10.6 5.0 0.00 0.0
1914 0.6 -5.6 0.00 0.0
1913 11.1 4.4 0.08 0.0
1912 11.7 -0.6 0.00 0.0
1911 3.9 -0.6 0.08 0.8
1910 2.2 0.6 0.99 0.0
1909 11.7 6.1 0.00 0.0
1908 15.0 5.6 0.00 0.0
1907 1.7 -5.0 1.07 2.5
1906 13.9 5.0 0.00 0.0
1905 6.1 -5.6 0.13 0.0
1904 3.3 -2.8 0.00 0.0
1903 2.8 -2.8 0.00 0.0
1902 13.9 -0.6 0.03 0.0
1901 13.9 2.8 0.69 0.0
1900 19.4 11.1 0.20 0.0
1899 10.6 5.0 0.46 0.0
1898 10.6 -1.7 0.30 0.0
1897 17.2 -0.6 0.00 0.0
1896 13.3 2.8 0.00 0.0
1895 18.9 -0.6 0.00 0.0
1894 16.1 5.0 0.00 0.0
1893 12.8 4.4 0.71 0.0
1892 5.0 1.7 0.00 0.0
1891 6.7 -1.7 0.28 0.0
1890 6.7 2.8 0.00 0.0
What's the all-time high for Ottawa on 10/27?
For the date of Oct 27, the highest temperature ever reached in Ottawa history is 23.3 °C which happened in 1947.
Highest Temperatures in Ottawa on October 27
Rank Temperature Year
1 23.3 °C 1947
2 22.3 °C 1989
3 21.0 °C 2023
4 20.0 °C 1964
5 19.4 °C 1900
6 18.9 °C 1895
6 18.9 °C 1984
6 18.9 °C 1924
9 18.5 °C 2010
9 18.5 °C 1998
What's the all-time low for Ottawa on 10/27?
For the date of Oct 27, the lowest temperature ever reached in Ottawa history is -8.9 °C which happened in 1936.
Lowest Temperatures in Ottawa on October 27
Rank Temperature Year
1 -8.9 °C 1936
2 -7.2 °C 1950
3 -6.1 °C 1990
4 -5.6 °C 1914
4 -5.6 °C 1933
4 -5.6 °C 1905
4 -5.6 °C 1928
8 -5.0 °C 1930
8 -5.0 °C 1907
10 -3.9 °C 1925
Lowest High Temperatures in Ottawa on October 27
Rank Temperature Year
1 0.0 °C 1936
2 0.6 °C 1914
3 1.7 °C 1907
3 1.7 °C 1957
5 2.0 °C 1997
6 2.2 °C 1910
7 2.8 °C 1903
7 2.8 °C 1976
9 3.0 °C 1979
9 3.0 °C 2016
What's the most it has ever rained in Ottawa on 10/27?
For the date of Oct 27, the most precipitation ever recorded in Ottawa history is 3.56 cm which happened in 1981.
All-Time Most Precipitation in Ottawa on October 27
Rank Precipitation Year
1 3.56 cm 1981
2 1.85 cm 1920
3 1.52 cm 2016
3 1.52 cm 1932
5 1.42 cm 2006
6 1.20 cm 2019
7 1.16 cm 2007
8 1.14 cm 1939
9 1.10 cm 2018
10 1.07 cm 1907
All-Time Most Snow in Ottawa on October 27
Rank Precipitation Year
1 8.1 cm 1965
2 8.0 cm 2016
3 7.0 cm 2018
4 2.5 cm 1907
5 1.0 cm 1979
6 0.8 cm 1911
7 0.4 cm 1980
Weather Station Details
Years Station Coordinates
1889–2024 Ottawa CDA location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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