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 1948–2023
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 All-Time Records
1948–2023

Highest temperature

86 °F

16 °F

29 °F

Highest daily low

46 °F

0.39 inches

0.7 inches

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%

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
1948–2023	Rapid City Regional Airport	location