Rockford, IL

4 October 2026: October 2026 so far brought 1.35 in of precipitation in Rockford, IL, the wettest 1 to 4 October since 2018, 10th wettest of 125.

Sunday 4 October 2026

High: 72°F; Warmest since 2025; 46th warmest of 124
Low: 45°F; Coldest since 2022; 50th coldest of 124

No measurable precipitation in Rockford, IL for 3 days to Sunday 4 October 2026.

Every 4 October low in Rockford, IL since 1895: 45°F in 2026; the lowest is 24°F, in 1989.

Normal range, 35 to 52.7°F

Every year as a table

Every 4 October high in Rockford, IL since 1895: 72°F in 2026; the highest is 90°F, in 1922.

Year	High, °F	Low, °F
2026	72	45
2025	88	60
2024	73	52
2023	81	63
2022	75	38
2021	74	62
2020	56	35
2019	61	44
2018	70	46
2017	74	50
2016	77	59
2015	56	50
2014	49	35
2013	72	64
2012	73	45
2011	77	41
2010	64	36
2009	59	44
2008	65	36
2007	83	50
2006	76	50
2005	88	67
2004	56	32
2003	60	35
2002	70	52
2001	60	47
2000	64	49
1999	55	33
1998	63	52
1997	80	51
1996	59	37
1995	70	40
1994	59	46
1993	67	37
1992	68	49
1991	55	46
1990	68	43
1989	60	24
1988	50	34
1987	69	33
1986	60	43
1985	56	46
1984	72	36
1983	65	53
1982	78	42
1981	70	48
1980	50	31
1979	51	38
1978	62	46
1977	68	34
1976	80	56
1975	76	37
1974	78	48
1973	66	46
1972	70	55
1971	69	47
1970	66	33
1969	86	62
1968	55	34
1967	86	61
1966	63	47
1965	58	35
1964	57	43
1963	73	44
1962	63	54
1961	69	40
1960	69	41
1959	58	49
1958	79	47
1957	68	44
1956	69	43
1955	71	53
1954	76	60
1953	67	41
1952	60	45
1951	85	66
1950	53	32
1949	68	57
1948	66	33
1947	72	59
1945	71	41
1944	75	53
1943	68	33
1942	69	53
1941	71	62
1940	75	54
1939	80	53
1938	77	54
1937	73	56
1936	63	50
1935	53	27
1934	72	52
1933	70	48
1932	54	45
1931	81	63
1930	72	49
1929	61	31
1928	81	63
1927	69	45
1926	77	57
1925	62	49
1924	75	53
1923	65	44
1922	90	58
1921	62	32
1920	79	42
1919	70	60
1918	78	44
1917	70	42
1916	82	48
1915	71	47
1914	78	52
1913	82	50
1912	75	45
1911	73	50
1910	78	61
1909	70	40
1908	69	39
1907	73	47
1906	75	60
1905	80	55
1897	87	58
1896	70	40
1895	69	46

The forecast

Date	High	Low
6 October	74°FRecord 90°F, 1963	48°FRecord 23°F, 1952
7 October	Record 88°F, 2007, 1916	Record 26°F, 2001

The month and the year

Every year's 1 to 4 October in Rockford, IL, ranked by its mean temperature: October 2026 so far is the 63rd warmest of 119.

Every year, ranked, as a table

Rank	Year	Mean, °F
1	1922	72.8
2	2025	72
3	2005	71.9
4	1951	71.5
5	2021	71.4
6	2023	70.8
7	1897	70.5
8	1969	69.5
9	1967	69.3
10	1954	69
11	2013	68.4
12	1919	68.1
12	1905	68.1
14	1931	67.9
15	1971	67.5
16	1926	67
17	2006	66.8
18	2007	66.3
19	1937	66
20	2017	65.9
21	1976	65.8
22	1983	65.6
23	1910	65.1
24	1982	64.8
25	1942	63.8
26	2016	63.6
26	1927	63.6
28	1997	63.5
29	2002	63.4
30	1914	63.1
31	1953	63
32	1949	62.4
33	1913	62.3
34	1928	62
35	2019	61.9
36	1992	61.8
37	2000	61.6
37	1963	61.6
39	1972	61.3
39	1962	61.3
41	2018	61.1
41	1973	61.1
43	1938	61
44	2001	60.9
45	1932	60.8
45	1925	60.8
45	1924	60.8
45	1916	60.8
49	1940	60.6
50	1907	60.1
51	2024	59.5
51	1947	59.5
53	1956	59.1
54	1995	58.8
54	1944	58.8
56	1955	58.4
56	1923	58.4
58	2012	58.3
58	1986	58.3
60	1906	58.1
61	1991	58
61	1934	58
63	2026	57.9
64	1990	57.6
65	1939	57.5
65	1933	57.5
67	1912	57.3
68	1959	57.1
69	1909	57
70	1957	56.9
71	1950	56.6
72	1920	56.5
73	2022	56.4
73	1968	56.4
75	1978	56.1
76	1895	56
77	1943	55.8
78	2014	55.6
79	1964	55.5
80	1918	55.4
81	1930	55
82	1948	54.8
83	1896	54.6
84	2011	54.4
85	1966	54.1
86	1994	54
86	1921	54
88	1958	53.8
89	1960	53.6
90	2015	53.3
91	1988	53.1
92	1970	53
93	1945	52.9
94	1984	52.5
94	1952	52.5
96	1979	51.8
96	1965	51.8
98	2010	51.6
99	1996	51.5
100	1977	51.4
101	1998	51.1
102	2008	51
102	1981	51
104	1993	50.9
105	1989	50.4
105	1936	50.4
107	2009	50.3
108	2004	50.1
109	1908	49.8
110	1975	49
111	1980	48.8
112	2020	48.6
113	1987	48.5
113	1985	48.5
115	1974	47.3
116	1961	46.6
117	1935	45.5
118	1999	44.4
119	2003	43.4

Every day as a table

Daily highs and lows in Rockford, IL, 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	67	57	90	1971	28	2003	71.5	45.5
2 October 2026	67	43	91	1922	23	2003	70	46
3 October 2026	71	41	90	1997	28	1974	68.5	47
4 October 2026	72	45	90	1922	24	1989	64.5	46

The warmest, coldest and wettest on this date

The 20 warmest 4 October highs in Rockford, IL since 1895.
Rank	Year	High, °F
1	1922	90
2	2025	88
2	2005	88
4	1897	87
5	1969	86
5	1967	86
7	1951	85
8	2007	83
9	1916	82
9	1913	82
11	2023	81
11	1931	81
11	1928	81
14	1997	80
14	1976	80
14	1939	80
14	1905	80
18	1958	79
18	1920	79
20	1982	78

The 20 coldest 4 October lows in Rockford, IL since 1895.
Rank	Year	Low, °F
1	1989	24
2	1935	27
3	1980	31
3	1929	31
5	2004	32
5	1950	32
5	1921	32
8	1999	33
8	1987	33
8	1970	33
8	1948	33
8	1943	33
13	1988	34
13	1977	34
13	1968	34
16	2020	35
16	2014	35
16	2003	35
16	1965	35
20	2010	36

The 20 wettest 4 October days in Rockford, IL since 1893.
Rank	Year	Precipitation, in
1	1991	2.18
2	2013	1.13
3	1985	0.66
4	1959	0.64
5	1932	0.62
6	1941	0.60
7	2002	0.59
8	1926	0.55
9	2001	0.46
10	1973	0.31
11	1986	0.28
12	1910	0.26
13	1955	0.24
14	1978	0.21
14	1962	0.21
16	1981	0.18
17	1919	0.16
18	1924	0.11
19	1925	0.08
20	2014	0.05

Every answer in words

Sunday 4 October 2026: a high of 72°F in Rockford, IL, the warmest 4 October since 2025, tied 46th warmest of 124 (with 2013, 1984, 1947 and 2 other years).
Sunday 4 October 2026: a low of 45°F in Rockford, IL, the coldest 4 October night since 2022, tied 50th coldest of 124 (with 2012, 1952, 1932 and 2 other years).
Forecast for Tuesday 6 October 2026: a high of 74°F in Rockford, IL, which would be the warmest 6 October since 2025, tied 26th warmest of 124 (with 2015, 2008, 1975 and 5 other years) (National Weather Service forecast).
Forecast for Tuesday 6 October 2026: a low of 48°F in Rockford, IL, which would be the warmest 6 October night since 2025, tied 46th warmest of 123 (with 2011, 1965, 1956 and 1 other year) (National Weather Service forecast).
Rockford, IL on 6 October: record high 90°F (1963), record low 23°F (1952).
Rockford, IL on 7 October: record high 88°F (2007 and 1916), record low 26°F (2001).
October 2026 so far averaged 57.9°F in Rockford, IL, the coldest 1 to 4 October since 2022, 57th coldest of 119.
Fall 2026 so far averaged 66.8°F in Rockford, IL, the warmest 1 September to 4 October since 2025, tied 21st warmest of 124 (with 1921).
Fall 2026 so far brought 8.75 in of precipitation in Rockford, IL, the wettest 1 September to 4 October since 2019, 9th wettest of 124.
2026 so far averaged 54.5°F in Rockford, IL, the warmest 1 January to 4 October since 2024, tied 17th warmest of 121 (with 2023, 2020 and 1922).
2026 so far brought 30.98 in of precipitation in Rockford, IL, the wettest 1 January to 4 October since 2024, 49th wettest of 121.
The 30 days to Sunday 4 October 2026 brought 8.73 in of precipitation in Rockford, IL, the driest 30 days to 4 October since 2025, 118th driest of 124.
The 60 days to Sunday 4 October 2026 brought 10.65 in of precipitation in Rockford, IL, the driest 60 days to 4 October since 2025, 102nd driest of 126.
The 90 days to Sunday 4 October 2026 brought 11.77 in of precipitation in Rockford, IL, the driest 90 days to 4 October since 2025, 75th driest of 126.
Rockford, IL has had 17 days at 90°F or above in 2026 through 4 October, the most by that date since 2025, tied 61st most of 121 (with 2019, 1999 and 1984).
Rockford, IL has had 83 freezing nights (a low of 32°F or below) in 2026 through 4 October, the most by that date since 2025, tied 97th most of 121 (with 2023, 2006, 1999 and 3 other years).
The last freeze of spring 2026 in Rockford, IL came on Thursday 7 May 2026, the latest since 2020, tied 38th latest of 122 (with 1989, 1974 and 1954).

Nearby

Chicago, IL 61.7 mi
Madison, WI 66.7 mi
Milwaukee, WI 80.2 mi
Dubuque, IA 83.8 mi
Moline, IL 89.9 mi
Winnebago County, IL county average
Illinois every city and county

All-time records

About these figures

Daily records for Rockford, IL run from 1893 to 4 October 2026, with 3142 days missing; current station ROCKFORD GREATER ROCKFORD AP.

Our calculation from NOAA records for Rockford, IL, 1893 to 2026. Preliminary until NOAA's final data.