Rapid City October 18 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of October 18.
October 18 All-Time Records
1948–2024
Highest temperature 86 °F 2015
Lowest temperature 16 °F 1972
Lowest daily high 29 °F 2020
Highest daily low 46 °F 2003
Most precipitation 0.39 inches 1965
Most snow 0.7 inches 1984
October 18 Average Weather
1991–2020 1
Average high 60.0 °F
Average low 33.0 °F
Chance precipitation 23.0%
Chance snow 5.2%
Rapid City October 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 65 39 0.00 n/a
2022 60 25 0.00 n/a
2021 78 38 0.00 n/a
2020 29 24 0.06 n/a
2019 57 31 0.00 n/a
2018 75 37 0.00 0.0
2017 74 45 0.00 0.0
2016 63 32 0.00 0.0
2015 86 40 0.00 0.0
2014 69 34 0.00 0.0
2013 44 28 0.00 0.0
2012 53 34 0.00 0.0
2011 57 34 0.00 0.0
2010 60 29 0.00 0.0
2009 81 37 0.00 0.0
2008 80 35 0.00 0.0
2007 55 31 0.00 0.0
2006 43 25 0.00 0.0
2005 81 39 0.00 n/a
2004 67 30 0.00 n/a
2003 83 46 0.00 n/a
2002 61 27 0.00 n/a
2001 52 32 0.13 n/a
2000 86 37 0.00 0.0
1999 56 33 0.05 0.0
1998 60 33 0.00 0.0
1997 74 45 0.00 0.0
1996 66 20 0.00 n/a
1995 68 39 0.10 0.0
1994 60 41 0.00 0.0
1993 62 43 0.00 0.0
1992 55 20 0.00 0.0
1991 47 33 0.01 0.1
1990 63 22 0.00 0.0
1989 50 23 0.00 0.0
1988 57 34 0.00 0.0
1987 42 34 0.10 0.0
1986 74 40 0.00 0.0
1985 65 35 0.00 0.0
1984 46 27 0.07 0.7
1983 46 37 0.11 0.0
1982 60 32 0.04 0.2
1981 55 35 0.00 0.0
1980 54 28 0.00 0.0
1979 58 42 0.14 0.0
1978 58 36 0.00 0.0
1977 69 33 0.00 0.0
1976 35 25 0.03 0.5
1975 75 36 0.00 0.0
1974 68 36 0.00 0.0
1973 83 41 0.00 0.0
1972 39 16 0.00 0.0
1971 56 43 0.01 0.0
1970 63 30 0.00 0.0
1969 45 29 0.00 0.0
1968 61 20 0.00 0.0
1967 64 27 0.00 0.0
1966 48 27 0.00 0.0
1965 53 41 0.39 0.0
1964 51 30 0.00 0.0
1963 80 41 0.00 0.0
1962 72 37 0.00 0.0
1961 52 34 0.00 0.0
1960 47 21 0.00 0.0
1959 76 33 0.00 0.0
1958 81 43 0.00 0.0
1957 63 35 0.00 0.0
1956 78 41 0.00 0.0
1955 73 35 0.00 0.0
1954 60 37 0.00 0.0
1953 82 45 0.00 0.0
1952 72 36 0.00 0.0
1951 42 30 0.02 0.3
1950 72 44 0.00 0.0
1949 45 35 0.00 0.0
1948 70 35 0.00 0.0
What's the all-time high for Rapid City on 10/18?
For the date of Oct 18, the highest temperature ever reached in Rapid City history is 86 °F which has happened 2 times, most recently in 2015.
Highest Temperatures in Rapid City on October 18
Rank Temperature Year
1 86 °F 2000
1 86 °F 2015
3 83 °F 1973
3 83 °F 2003
5 82 °F 1953
6 81 °F 2009
6 81 °F 1958
6 81 °F 2005
9 80 °F 2008
9 80 °F 1963
What's the all-time low for Rapid City on 10/18?
For the date of Oct 18, the lowest temperature ever reached in Rapid City history is 16 °F which happened in 1972.
Lowest Temperatures in Rapid City on October 18
Rank Temperature Year
1 16 °F 1972
2 20 °F 1968
2 20 °F 1992
2 20 °F 1996
5 21 °F 1960
6 22 °F 1990
7 23 °F 1989
8 24 °F 2020
9 25 °F 2022
9 25 °F 2006
9 25 °F 1976
Lowest High Temperatures in Rapid City on October 18
Rank Temperature Year
1 29 °F 2020
2 35 °F 1976
3 39 °F 1972
4 42 °F 1951
4 42 °F 1987
6 43 °F 2006
7 44 °F 2013
8 45 °F 1949
8 45 °F 1969
10 46 °F 1983
10 46 °F 1984
What's the most it has ever rained in Rapid City on 10/18?
For the date of Oct 18, the most precipitation ever recorded in Rapid City history is 0.39 inches which happened in 1965.
All-Time Most Precipitation in Rapid City on October 18
Rank Precipitation Year
1 0.39 inches 1965
2 0.14 inches 1979
3 0.13 inches 2001
4 0.11 inches 1983
5 0.10 inches 1987
5 0.10 inches 1995
7 0.07 inches 1984
8 0.06 inches 2020
9 0.05 inches 1999
10 0.04 inches 1982
All-Time Most Snow in Rapid City on October 18
Rank Precipitation Year
1 0.7 inches 1984
2 0.5 inches 1976
3 0.3 inches 1951
4 0.2 inches 1982
5 0.1 inches 1991
Weather Station Details
Years Station Coordinates
1948–2024 Rapid City Regional Airport location