Sisseton, SD

An ordinary day: 4 October 2026 was cooler than 32 of 93 earlier years.

Sunday 4 October 2026

High: 70°F; Warmest since 2025; 33rd warmest of 94
Low: 39°F; Coldest since 2024; 37th coldest of 94

No measurable precipitation in Sisseton, SD for 1 day to Sunday 4 October 2026.

Every 4 October low in Sisseton, SD since 1931: 39°F in 2026; the lowest is 21°F, in 1935.

Normal range, 26.8 to 47°F

Every year as a table

Every 4 October high in Sisseton, SD since 1931: 70°F in 2026; the highest is 88°F, in 1975.

Year	High, °F	Low, °F
2026	70	39
2025	87	71
2024	72	37
2023	69	53
2022	75	54
2021	84	45
2020	64	25
2019	51	40
2018	45	25
2017	60	41
2016	65	55
2015	59	44
2014	50	32
2013	52	47
2012	46	34
2011	86	48
2010	72	39
2009	52	43
2008	70	36
2007	72	44
2006	61	38
2005	52	44
2004	52	25
2003	73	40
2002	52	35
2001	57	33
2000	50	35
1999	61	27
1998	51	47
1997	80	46
1996	69	34
1995	52	40
1994	48	43
1993	76	37
1992	72	38
1991	57	38
1990	68	43
1989	53	28
1988	48	27
1987	83	49
1986	63	34
1985	55	44
1984	74	47
1983	57	40
1982	69	55
1981	54	47
1980	72	32
1979	59	32
1978	55	41
1977	60	41
1976	84	45
1975	88	45
1974	62	41
1973	68	39
1972	62	40
1971	68	46
1970	84	38
1969	63	41
1968	62	29
1967	74	57
1966	63	36
1965	63	35
1964	59	34
1963	87	47
1962	70	42
1961	76
1960	84	49
1959	78	48
1958	71	53
1957	71	47
1955		47
1954	59	30
1953	72	35
1952	49	26
1951	56	42
1950	52	29
1949	68	40
1948	70	38
1947	82	50
1946	62	38
1945	76	52
1944	70	48
1943	79	40
1942	66	43
1941	64	44
1940	72	57
1939	50	46
1938	74	54
1937	74	51
1936	73	33
1935	42	21
1934	70	47
1933	65	32
1932	46	31
1931	68	48

The forecast

Date	High	Low
6 October	81°FRecord 92°F, 1993	56°FRecord 13°F, 1935
7 October	Record 88°F, 2003, 1980, 1975	Record 16°F, 1976

The month and the year

Every year's 1 to 4 October in Sisseton, SD, ranked by its mean temperature: October 2026 so far is the 54th warmest of 93.

Every year, ranked, as a table

Rank	Year	Mean, °F
1	2025	73.3
2	2023	71.9
3	1953	67
4	1931	66.9
5	1976	66
6	1963	65.4
7	1997	65.3
8	1967	64.5
9	2011	63.9
10	2022	63
11	1992	62.9
11	1938	62.9
13	2016	62
13	1940	62
15	1957	61.9
16	1951	61.6
17	1970	61.1
18	2021	60.9
19	1971	60.1
20	2005	59.8
21	1973	59.6
22	1975	59.5
23	1949	59.4
24	1943	59.3
25	2006	59
26	1946	58.9
27	1939	58.8
28	1984	58.5
29	1942	58.3
30	1962	58.1
31	1990	58
32	2007	57.4
33	1932	56.9
34	2024	56.8
35	1937	56.6
36	2017	56.3
37	1991	56
38	1945	55.9
39	1934	55.8
40	2001	55.5
40	1964	55.5
42	1933	55.3
43	1960	55.1
44	1969	54.9
45	1979	54.5
45	1972	54.5
47	1980	54
47	1947	54
49	1987	53.9
49	1958	53.9
51	1982	53.5
52	1978	53.1
53	2013	52.8
54	2026	52.6
55	2012	52
56	1986	51.6
57	1965	51.5
58	1995	51.3
58	1948	51.3
60	1952	51.1
61	1993	50.9
62	2008	50.8
62	1968	50.8
64	1966	50.5
65	1941	50.4
66	2010	50.3
67	2014	49.9
68	2015	49.6
68	1959	49.6
70	1983	49.4
71	2000	48.9
72	1974	48.8
73	1994	48.1
74	2003	48
74	1996	48
76	2009	47.8
77	1985	47.3
77	1977	47.3
79	1981	47
79	1944	47
81	1988	46.8
82	1998	46.5
83	1954	46.1
84	1936	45.5
85	1989	45.4
86	2004	45.1
87	2002	44.3
88	2020	43.8
89	2019	43.6
90	2018	43
91	1935	40.1
92	1950	39.8
93	1999	37.9

Every day as a table

Daily highs and lows in Sisseton, SD, 1 to 4 October 2026, with each date's record range and its 1991 to 2020 normal range.

Day	High, °F	Low, °F	Record high	Year	Record low	Year	Normal high	Normal low
1 October 2026	66	39	94	2023	22	2003	67	41
2 October 2026	61	35	93	1953	14	1974	65	41
3 October 2026	69	42	91	2025	20	1936	62	42
4 October 2026	70	39	88	1975	21	1935	58	38.5

The warmest, coldest and wettest on this date

The 20 warmest 4 October highs in Sisseton, SD since 1931.
Rank	Year	High, °F
1	1975	88
2	2025	87
2	1963	87
4	2011	86
5	2021	84
5	1976	84
5	1970	84
5	1960	84
9	1987	83
10	1947	82
11	1997	80
12	1943	79
13	1959	78
14	1993	76
14	1961	76
14	1945	76
17	2022	75
18	1984	74
18	1967	74
18	1938	74

The 20 coldest 4 October lows in Sisseton, SD since 1931.
Rank	Year	Low, °F
1	1935	21
2	2020	25
2	2018	25
2	2004	25
5	1952	26
6	1999	27
6	1988	27
8	1989	28
9	1968	29
9	1950	29
11	1954	30
12	1932	31
13	2014	32
13	1980	32
13	1979	32
13	1933	32
17	2001	33
17	1936	33
19	2012	34
19	1996	34

The 20 wettest 4 October days in Sisseton, SD since 1931.
Rank	Year	Precipitation, in
1	1951	1.62
2	1998	1.43
3	2013	1.13
4	1995	0.94
5	2005	0.84
6	2016	0.80
7	1985	0.72
8	2002	0.50
9	2000	0.42
10	1969	0.39
11	1934	0.28
12	1940	0.22
13	1946	0.20
14	2019	0.14
15	1974	0.13
16	2018	0.11
17	2023	0.10
17	1942	0.10
19	1976	0.09
20	1971	0.08

Every answer in words

Sunday 4 October 2026: a high of 70°F in Sisseton, SD, the warmest 4 October since 2025, tied 33rd warmest of 94 (with 2008, 1962, 1948 and 2 other years).
Sunday 4 October 2026: a low of 39°F in Sisseton, SD, the coldest 4 October night since 2024, tied 37th coldest of 94 (with 2010 and 1973).
Forecast for Tuesday 6 October 2026: a high of 81°F in Sisseton, SD, which would be the warmest 6 October since 2020, 11th warmest of 94 (National Weather Service forecast).
Forecast for Tuesday 6 October 2026: a low of 56°F in Sisseton, SD, which would be the warmest 6 October night since 2007, tied 4th warmest of 93 (with 1994, 1984 and 1973) (National Weather Service forecast).
Sisseton, SD on 6 October: record high 92°F (1993), record low 13°F (1935).
Sisseton, SD on 7 October: record high 88°F (2003, 1980 and 1975), record low 16°F (1976).
October 2026 so far averaged 52.6°F in Sisseton, SD, the coldest 1 to 4 October since 2020, 40th coldest of 93.
October 2026 so far brought 0.03 in of precipitation in Sisseton, SD, the wettest 1 to 4 October since 2023, tied 45th wettest of 95 (with 1997).
Fall 2026 so far averaged 63.3°F in Sisseton, SD, the warmest 1 September to 4 October since 2025, tied 16th warmest of 92 (with 1970).
Fall 2026 so far brought 2.45 in of precipitation in Sisseton, SD, the wettest 1 September to 4 October since 2025, 38th wettest of 93.
2026 so far averaged 50.2°F in Sisseton, SD, the warmest 1 January to 4 October since 2024, 15th warmest of 90.
2026 so far brought 17.96 in of precipitation in Sisseton, SD, the driest 1 January to 4 October since 2022, 35th driest of 88.
The 30 days to Sunday 4 October 2026 brought 2.44 in of precipitation in Sisseton, SD, the driest 30 days to 4 October since 2024, 62nd driest of 93.
The 60 days to Sunday 4 October 2026 brought 2.67 in of precipitation in Sisseton, SD, the driest 60 days to 4 October since 2024, 25th driest of 94.
The 90 days to Sunday 4 October 2026 brought 10.72 in of precipitation in Sisseton, SD, the driest 90 days to 4 October since 2025, 84th driest of 94.
Sisseton, SD has had 18 days at 90°F or above in 2026 through 4 October, the most by that date since 2023, tied 39th most of 91 (with 2022, 2003, 2001 and 1 other year).
Sisseton, SD has had 109 freezing nights (a low of 32°F or below) in 2026 through 4 October, the most by that date since 2020, tied 23rd most of 91 (with 1993 and 1960).
The last freeze of spring 2026 in Sisseton, SD came on Monday 11 May 2026, the latest since 2021, tied 56th latest of 90 (with 2021, 2008 and 1966).

Nearby

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Roberts County, SD county average
South Dakota every city and county

All-time records

About these figures

Daily records for Sisseton, SD run from 1931 to 4 October 2026, with 843 days missing; current station SISSETON MUNICIPAL AP.

Our calculation from NOAA records for Sisseton, SD, 1931 to 2026. Preliminary until NOAA's final data.