Rockford Weather in 2021

Historical record of Rockford, Illinois weather for the year 2021 based on NOAA data.
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2021 Rockford Weather Extremes
Highest temperature 99 °F June 11
Lowest temperature -12 °F February 17
Highest daily low 74 °F July 6
Lowest daily high 0 °F February 7
Most daily precipitation 2.5 inches August 9
Most daily snow 5.5 inches January 30
Total annual precipitation 24.2 inches -
Total annual snow 30.2 inches -
Highest Temperatures in Rockford in 2021
Rank Temperature Date
1 99 °F Jun 11
2 97 °F Jun 10
3 95 °F Aug 28
3 95 °F Aug 24
3 95 °F Jun 12
6 94 °F Jul 26
6 94 °F Jul 24
6 94 °F Jul 5
6 94 °F Jun 18
6 94 °F Jun 9
6 94 °F Jun 5
Lowest Temperatures in Rockford in 2021
Rank Temperature Date
1 -12 °F February 17
2 -11 °F February 7
3 -7 °F February 20
4 -6 °F February 14
4 -6 °F February 9
6 -4 °F February 16
6 -4 °F February 15
6 -4 °F February 13
9 -2 °F February 10
9 -2 °F February 6
January 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
36 17 0.54 1.9
30 25 0.00 0.0
30 21 0.00 0.0
31 23 0.01 0.2
33 23 0.00 0.0
34 22 0.00 0.0
33 24 0.00 0.0
33 28 0.00 0.0
33 27 0.00 0.0
28 22 0.00 0.0
31 22 0.00 0.0
37 23 0.00 0.0
41 26 0.00 0.0
37 29 0.22 0.7
37 33 0.02 0.2
39 30 0.10 0.6
33 29 0.08 1.0
29 19 0.00 0.0
34 17 0.01 0.9
37 9 0.00 0.0
40 23 0.00 0.0
27 9 0.00 0.0
29 2 0.00 0.0
35 27 0.12 1.0
32 20 0.10 1.0
30 16 0.10 1.9
23 4 0.00 0.0
22 -1 0.00 0.0
30 11 0.00 0.0
35 28 0.68 5.5
34 30 0.06 1.3
February 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
33 15 0.00 0.0
30 9 0.00 0.0
30 2 0.00 0.0
36 15 0.26 1.6
15 7 0.00 0.0
9 -2 0.07 0.8
0 -11 0.00 0.0
11 0 0.03 0.3
10 -6 0.00 0.0
15 -2 0.00 0.0
15 0 0.05 0.8
10 5 0.00 0.3
6 -4 0.05 0.8
1 -6 0.00 0.0
5 -4 0.09 1.8
21 -4 0.05 1.2
17 -12 0.00 0.0
28 10 0.02 0.4
20 1 0.00 0.0
24 -7 0.00 0.0
36 16 0.16 1.2
41 26 0.00 0.0
45 37 0.00 0.0
43 26 0.00 0.0
40 20 0.00 0.0
38 18 0.00 0.0
44 30 0.00 0.0
44 29 0.03 0.0
March 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
32 18 0.00 0.0
39 15 0.00 0.0
50 29 0.00 0.0
41 25 0.00 0.0
43 21 0.00 0.0
48 24 0.00 0.0
51 22 0.00 0.0
61 38 0.00 0.0
68 38 0.00 0.0
67 51 0.09 0.0
60 40 0.00 0.0
54 33 0.00 0.0
62 29 0.00 0.0
51 32 0.00 0.0
39 29 0.30 2.0
38 33 0.00 0.0
39 33 0.19 0.0
53 34 0.02 0.0
53 28 0.00 0.0
59 24 0.00 0.0
67 31 0.00 0.0
64 44 0.00 0.0
63 47 0.82 0.0
57 45 0.02 0.0
49 39 0.03 0.0
47 36 0.00 0.0
64 42 0.02 0.0
48 31 0.00 0.0
68 28 0.00 0.0
65 40 0.00 0.0
44 31 0.00 0.0
April 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
42 25 0.00 0.0
54 21 0.00 0.0
72 36 0.00 0.0
78 39 0.00 0.0
78 57 0.10 0.0
81 52 0.00 0.0
78 55 0.17 0.0
62 49 0.50 0.0
61 51 0.00 0.0
56 51 0.77 0.0
58 46 0.10 0.0
60 42 0.00 0.0
53 38 0.00 0.0
49 35 0.00 0.0
57 37 0.00 0.0
62 39 0.00 0.0
63 35 0.00 0.0
64 36 0.00 0.0
52 38 0.00 0.0
44 36 0.00 0.0
49 31 0.00 0.0
63 32 0.00 0.0
62 43 0.00 0.0
66 43 0.00 0.0
54 38 0.00 0.0
82 40 0.00 0.0
86 58 0.00 0.0
73 51 0.00 0.0
75 49 0.02 0.0
65 45 0.00 0.0
May 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
88 45 0.00 0.0
86 61 0.00 0.0
75 58 0.65 0.0
61 46 0.00 0.0
65 41 0.00 0.0
62 44 0.04 0.0
59 38 0.00 0.0
59 34 0.28 0.0
64 40 0.00 0.0
61 43 0.01 0.0
61 36 0.00 0.0
67 35 0.00 0.0
71 39 0.00 0.0
73 41 0.00 0.0
59 53 0.14 0.0
72 54 0.00 0.0
75 57 0.00 0.0
71 58 0.48 0.0
80 65 0.03 0.0
84 66 0.00 0.0
77 66 0.06 0.0
86 63 0.00 0.0
82 66 0.02 0.0
88 62 0.00 0.0
85 70 0.12 0.0
82 57 0.23 0.0
60 48 0.04 0.0
49 42 0.26 0.0
67 38 0.00 0.0
72 38 0.00 0.0
70 52 0.00 0.0
June 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
80 49 0.00 0.0
83 52 0.00 0.0
90 53 0.00 0.0
92 69 0.00 0.0
94 64 0.00 0.0
91 67 0.00 0.0
84 71 0.00 0.0
92 70 0.00 0.0
94 69 0.00 0.0
97 69 0.00 0.0
99 70 0.00 0.0
95 70 0.00 0.0
92 63 0.00 0.0
88 63 0.00 0.0
87 59 0.00 0.0
85 57 0.00 0.0
93 56 0.00 0.0
94 69 0.20 0.0
93 67 0.00 0.0
81 62 0.60 0.0
74 53 0.00 0.0
76 48 0.00 0.0
82 62 0.17 0.0
75 68 0.04 0.0
81 72 0.09 0.0
82 71 0.11 0.0
82 71 0.00 0.0
82 67 0.03 0.0
82 71 0.02 0.0
88 70 0.00 0.0
July 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
85 62 0.00 0.0
81 58 0.00 0.0
89 57 0.00 0.0
91 68 0.00 0.0
94 69 0.00 0.0
93 74 0.00 0.0
88 67 0.07 0.0
69 60 0.01 0.0
78 56 0.01 0.0
77 61 0.10 0.0
73 64 0.17 0.0
73 67 0.41 0.0
84 67 0.39 0.0
83 67 0.21 0.0
80 68 0.58 0.0
78 64 0.00 0.0
84 63 0.00 0.0
86 65 0.00 0.0
86 63 0.00 0.0
90 63 0.00 0.0
76 66 0.00 0.0
87 65 0.01 0.0
90 72 0.00 0.0
94 73 0.01 0.0
92 66 0.00 0.0
94 62 0.00 0.0
86 67 0.00 0.0
89 73 0.04 0.0
90 68 0.26 0.0
75 65 0.00 0.0
82 60 0.00 0.0
August 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
81 58 0.00 0.0
79 51 0.00 0.0
84 54 0.00 0.0
85 58 0.00 0.0
86 58 0.00 0.0
85 67 0.01 0.0
89 69 0.00 0.0
91 72 0.11 0.0
86 68 2.52 0.0
93 70 0.38 0.0
88 71 0.12 0.0
86 66 0.03 0.0
83 63 0.00 0.0
81 56 0.00 0.0
80 54 0.00 0.0
81 56 0.00 0.0
83 57 0.00 0.0
88 65 0.00 0.0
91 67 0.00 0.0
89 66 0.00 0.0
87 71 0.00 0.0
84 61 0.00 0.0
82 63 0.01 0.0
95 70 0.38 0.0
90 68 0.00 0.0
91 67 0.00 0.0
91 72 0.00 0.0
95 73 0.02 0.0
89 64 0.00 0.0
86 58 0.00 0.0
83 60 0.03 0.0
September 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
82 59 0.00 0.0
81 53 0.00 0.0
72 60 0.02 0.0
75 57 0.01 0.0
84 52 0.00 0.0
85 53 0.00 0.0
87 57 0.13 0.0
79 54 0.00 0.0
79 51 0.00 0.0
82 51 0.00 0.0
89 60 0.00 0.0
89 68 0.00 0.0
90 66 0.00 0.0
85 59 0.00 0.0
81 52 0.00 0.0
85 50 0.00 0.0
90 53 0.01 0.0
85 57 0.00 0.0
93 56 0.00 0.0
87 67 0.14 0.0
70 58 0.05 0.0
69 51 0.00 0.0
72 46 0.00 0.0
83 46 0.17 0.0
71 46 0.00 0.0
85 52 0.00 0.0
90 60 0.00 0.0
82 52 0.00 0.0
88 50 0.00 0.0
90 59 0.00 0.0
October 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
89 57 0.00 0.0
80 67 0.79 0.0
77 65 0.41 0.0
74 62 0.01 0.0
70 62 0.00 0.0
73 64 0.00 0.0
76 63 0.58 0.0
75 56 0.17 0.0
82 58 0.00 0.0
73 67 0.29 0.0
73 62 0.52 0.0
68 53 0.00 0.0
70 51 0.74 0.0
71 47 0.00 0.0
61 46 0.00 0.0
61 40 0.00 0.0
68 35 0.00 0.0
73 38 0.00 0.0
73 42 0.00 0.0
74 50 0.00 0.0
59 41 0.00 0.0
55 36 0.00 0.0
57 31 0.00 0.0
50 35 0.87 0.0
56 41 0.48 0.0
59 35 0.00 0.0
59 35 0.00 0.0
53 47 0.44 0.0
54 51 0.06 0.0
60 38 0.00 0.0
54 37 0.00 0.0
November 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
49 31 0.00 0.0
47 26 0.00 0.0
46 22 0.00 0.0
48 25 0.00 0.0
53 27 0.00 0.0
61 34 0.00 0.0
66 38 0.00 0.0
67 42 0.00 0.0
65 37 0.00 0.0
58 32 0.00 0.0
55 39 0.20 0.0
42 34 0.15 0.1
39 33 0.01 0.1
39 33 0.00 0.0
34 27 0.00 0.0
54 27 0.00 0.0
60 38 0.00 0.0
38 29 0.00 0.0
41 18 0.00 0.0
52 32 0.00 0.0
56 27 0.00 0.0
37 19 0.00 0.0
45 18 0.00 0.0
56 34 0.00 0.0
45 18 0.00 0.0
30 14 0.00 0.0
45 28 0.02 0.0
39 20 0.00 0.0
46 22 0.00 0.0
53 28 0.00 0.0
December 2021 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
53 33 0.00 0.0
56 42 0.00 0.0
52 26 0.00 0.0
42 25 0.00 0.0
39 33 0.14 0.0
36 11 0.00 0.0
24 9 0.00 0.0
34 18 0.00 0.0
46 24 0.00 0.0
47 31 1.20 0.0
52 27 0.03 0.0
50 29 0.00 0.0
50 27 0.00 0.0
50 25 0.00 0.0
69 50 0.01 0.0
68 28 0.00 0.0
39 19 0.00 0.0
38 30 0.00 0.1
36 27 0.00 0.0
40 22 0.00 0.0
39 18 0.00 0.0
29 16 0.00 0.0
48 24 0.00 0.0
55 25 0.00 0.0
51 25 0.01 0.0
45 19 0.38 0.0
43 28 0.27 0.0
35 28 0.32 1.9
35 22 0.05 0.6
33 25 0.00 0.0
35 30 0.01 0.0
Weather Station Details
Years Station Coordinates
1951–2024 Greater Rockford Airport location
1893–1950 Rockford location