Rockford Weather in 2018

Historical record of Rockford, Illinois weather for the year 2018 based on NOAA data.
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2018 Rockford Weather Extremes
Highest temperature 97 °F May 27
Lowest temperature -16 °F January 6
Highest daily low 76 °F June 30
Lowest daily high -1 °F January 1
Most daily precipitation 2.6 inches June 15
Most daily snow 11.7 inches November 25
Total annual precipitation 49.6 inches -
Total annual snow 46.5 inches -
Highest Temperatures in Rockford in 2018
Rank Temperature Date
1 97 °F May 27
2 92 °F May 29
2 92 °F May 28
4 91 °F Jul 13
4 91 °F Jun 30
4 91 °F Jun 29
4 91 °F Jun 18
4 91 °F Jun 17
9 90 °F Sep 17
9 90 °F Sep 4
9 90 °F Aug 26
9 90 °F Aug 5
9 90 °F Aug 4
9 90 °F Jul 4
9 90 °F Jun 16
Lowest Temperatures in Rockford in 2018
Rank Temperature Date
1 -16 °F January 6
2 -15 °F January 2
3 -13 °F January 1
4 -12 °F January 5
5 -9 °F February 12
5 -9 °F January 4
7 -8 °F February 5
8 -7 °F February 6
9 -4 °F January 17
10 -3 °F February 8
10 -3 °F February 7
January 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
-1 -13 0.00 0.0
12 -15 0.00 0.0
14 0 0.01 0.9
9 -9 0.00 0.0
9 -12 0.00 0.0
11 -16 0.00 0.0
32 7 0.05 0.0
38 29 0.00 0.0
35 23 0.00 0.0
50 31 0.00 0.0
53 17 0.14 0.0
21 9 0.00 0.0
14 1 0.00 0.0
19 -2 0.03 1.5
20 6 0.09 3.4
20 1 0.00 0.1
19 -4 0.00 0.0
32 13 0.00 0.0
42 22 0.00 0.0
44 27 0.00 0.0
41 34 0.01 0.0
54 36 1.00 0.0
36 27 0.01 0.1
29 22 0.00 0.0
42 22 0.00 0.0
47 29 0.00 0.0
48 27 0.00 0.0
33 22 0.00 0.0
26 13 0.00 0.0
30 10 0.00 0.0
41 28 0.00 0.0
February 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
33 5 0.00 0.0
21 2 0.00 0.0
40 21 0.06 0.7
33 -1 0.03 1.4
11 -8 0.25 2.4
18 -7 0.02 0.3
17 -3 0.06 1.2
20 -3 0.17 2.2
20 14 0.26 3.6
17 10 0.10 1.2
20 4 0.33 3.1
20 -9 0.00 0.0
29 6 0.00 0.0
40 18 0.00 0.0
45 35 0.00 0.0
37 12 0.00 0.0
31 11 0.11 1.3
38 12 0.00 0.0
51 34 0.50 0.0
50 29 1.21 0.0
29 24 0.00 0.0
40 25 0.02 0.0
40 28 0.13 0.0
45 26 0.36 0.0
43 28 0.00 0.0
52 23 0.00 0.0
60 32 0.00 0.0
62 36 0.00 0.0
March 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
47 29 0.09 0.0
48 23 0.00 0.0
49 30 0.00 0.0
50 29 0.00 0.0
38 32 0.28 1.9
35 29 0.10 0.5
31 20 0.00 0.0
33 18 0.00 0.0
38 17 0.00 0.0
44 19 0.00 0.0
45 28 0.00 0.0
48 29 0.00 0.0
37 20 0.00 0.0
49 20 0.00 0.0
51 24 0.00 0.0
43 23 0.00 0.0
51 28 0.15 0.0
56 24 0.00 0.0
52 29 0.00 0.0
41 27 0.00 0.0
44 25 0.00 0.0
50 19 0.00 0.0
48 24 0.00 0.0
39 29 0.00 0.0
46 25 0.00 0.0
51 27 0.27 0.0
48 36 0.17 0.0
52 33 0.01 0.0
53 35 0.00 0.0
50 30 0.00 0.0
54 28 0.15 0.0
April 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
32 21 0.00 0.0
43 18 0.00 0.0
37 30 0.12 0.3
36 23 0.01 0.3
39 20 0.01 0.0
35 21 0.00 0.0
39 16 0.00 0.0
40 17 0.00 0.2
38 28 0.06 1.6
45 24 0.00 0.0
63 33 0.10 0.0
70 43 0.06 0.0
47 38 0.04 0.0
39 32 0.34 0.0
34 26 0.17 0.6
35 26 0.00 0.1
44 27 0.00 0.0
35 27 0.19 1.0
54 29 0.00 0.0
61 24 0.00 0.0
56 38 0.05 0.0
64 42 0.00 0.0
71 40 0.00 0.0
73 48 0.00 0.0
62 37 0.00 0.0
68 31 0.00 0.0
63 39 0.01 0.0
56 36 0.00 0.0
64 27 0.00 0.0
81 38 0.00 0.0
May 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
82 50 0.00 0.0
84 61 0.46 0.0
74 61 0.83 0.0
75 54 0.00 0.0
82 47 0.00 0.0
75 53 0.00 0.0
76 45 0.00 0.0
80 53 0.00 0.0
79 56 0.35 0.0
74 52 0.00 0.0
52 44 0.13 0.0
53 43 0.31 0.0
62 47 0.14 0.0
79 56 0.89 0.0
77 52 0.00 0.0
81 47 0.00 0.0
79 52 0.00 0.0
77 53 0.05 0.0
74 58 0.01 0.0
64 45 0.66 0.0
62 50 0.59 0.0
71 55 0.00 0.0
79 51 0.00 0.0
85 56 0.00 0.0
88 61 0.00 0.0
89 62 0.00 0.0
97 63 0.00 0.0
92 65 0.00 0.0
92 67 0.00 0.0
82 67 0.26 0.0
87 66 0.00 0.0
June 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
81 54 0.00 0.0
77 51 0.00 0.0
75 56 0.00 0.0
81 49 0.00 0.0
82 53 0.00 0.0
81 51 0.00 0.0
87 63 0.00 0.0
80 61 0.05 0.0
80 62 1.97 0.0
73 62 1.52 0.0
72 62 0.05 0.0
79 65 0.00 0.0
80 57 0.00 0.0
75 58 0.00 0.0
87 61 2.59 0.0
90 67 0.33 0.0
91 73 0.00 0.0
91 71 1.98 0.0
81 64 0.91 0.0
77 64 0.02 0.0
65 63 2.36 0.0
67 58 0.25 0.0
81 58 0.00 0.0
84 60 0.00 0.0
78 59 0.00 0.0
81 66 2.20 0.0
82 66 0.00 0.0
85 64 0.00 0.0
91 70 0.00 0.0
91 76 0.00 0.0
July 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
89 68 0.08 0.0
83 63 0.00 0.0
89 58 0.00 0.0
90 73 0.00 0.0
89 70 0.16 0.0
78 59 0.00 0.0
80 53 0.00 0.0
83 55 0.00 0.0
88 58 0.00 0.0
88 67 0.00 0.0
87 61 0.00 0.0
86 63 0.00 0.0
91 65 0.39 0.0
82 70 0.09 0.0
86 69 0.00 0.0
86 67 0.00 0.0
84 61 0.00 0.0
81 60 0.00 0.0
82 57 0.85 0.0
76 67 0.66 0.0
82 68 0.03 0.0
78 64 0.00 0.0
83 61 0.00 0.0
86 62 0.00 0.0
85 59 0.00 0.0
78 61 0.00 0.0
77 57 0.00 0.0
78 53 0.00 0.0
81 55 0.12 0.0
81 60 0.00 0.0
80 60 0.00 0.0
August 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
85 57 0.00 0.0
82 60 0.00 0.0
84 55 0.00 0.0
90 67 0.00 0.0
90 68 0.31 0.0
79 67 0.24 0.0
76 64 0.20 0.0
83 65 0.00 0.0
88 65 1.31 0.0
85 65 0.00 0.0
87 62 0.00 0.0
87 64 0.00 0.0
85 62 0.00 0.0
84 64 0.00 0.0
83 69 0.26 0.0
84 66 0.37 0.0
82 64 0.00 0.0
83 66 0.00 0.0
82 65 0.00 0.0
77 68 0.67 0.0
78 59 0.11 0.0
78 54 0.00 0.0
77 53 0.00 0.0
68 62 0.05 0.0
85 66 0.02 0.0
90 63 0.00 0.0
88 74 0.00 0.0
86 65 1.38 0.0
74 58 0.39 0.0
76 55 0.00 0.0
84 56 0.00 0.0
September 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
84 68 1.72 0.0
87 68 1.46 0.0
80 69 1.04 0.0
90 72 0.12 0.0
87 68 0.07 0.0
70 60 0.01 0.0
71 58 0.00 0.0
71 58 0.00 0.0
71 53 0.00 0.0
75 51 0.00 0.0
80 53 0.00 0.0
83 55 0.00 0.0
83 56 0.00 0.0
87 58 0.00 0.0
87 60 0.00 0.0
89 63 0.00 0.0
90 63 0.00 0.0
72 64 0.50 0.0
78 60 0.15 0.0
89 63 0.12 0.0
82 51 0.01 0.0
68 45 0.00 0.0
74 45 0.00 0.0
77 53 0.00 0.0
81 55 0.15 0.0
66 45 0.00 0.0
69 42 0.00 0.0
58 39 0.02 0.0
55 35 0.07 0.0
60 48 0.13 0.0
October 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
65 52 1.65 0.0
60 53 0.00 0.0
86 57 0.07 0.0
70 46 0.00 0.0
61 48 1.31 0.0
63 54 0.48 0.0
58 52 0.14 0.0
83 58 0.03 0.0
84 65 0.03 0.0
72 48 0.20 0.0
50 39 0.00 0.0
42 33 0.00 0.0
50 29 0.00 0.0
49 36 0.00 0.0
47 32 0.06 0.0
59 29 0.00 0.0
51 32 0.00 0.0
58 28 0.00 0.0
54 43 0.00 0.0
50 26 0.00 0.0
51 22 0.00 0.0
66 31 0.00 0.0
55 32 0.00 0.0
53 29 0.00 0.0
54 36 0.00 0.0
52 39 0.00 0.0
55 39 0.00 0.0
50 41 0.06 0.0
55 34 0.00 0.0
60 42 1.36 0.0
59 45 0.00 0.0
November 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
51 39 0.00 0.0
51 34 0.00 0.0
47 32 0.09 0.0
52 43 0.22 0.0
50 42 0.34 0.0
47 35 0.07 0.0
38 32 0.00 0.0
36 31 0.00 0.0
32 19 0.13 1.8
30 17 0.00 0.0
40 27 0.00 0.0
34 23 0.00 0.0
28 17 0.00 0.0
35 14 0.00 0.0
36 19 0.00 0.0
41 26 0.00 0.0
33 29 0.12 2.1
33 20 0.00 0.0
39 19 0.00 0.0
34 21 0.00 0.0
38 26 0.00 0.0
43 26 0.00 0.0
50 33 0.08 0.0
44 37 0.08 0.0
38 30 0.91 11.7
30 19 0.00 0.0
24 18 0.00 0.1
26 13 0.01 0.1
35 26 0.01 0.0
37 21 0.00 0.0
December 2018 Rockford Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
39 33 0.73 0.0
39 33 0.32 0.0
33 28 0.02 0.2
30 26 0.00 0.1
33 24 0.00 0.2
33 15 0.00 0.0
24 11 0.00 0.0
28 15 0.00 0.0
32 10 0.00 0.0
33 16 0.00 0.0
36 22 0.00 0.0
36 23 0.00 0.0
42 19 0.02 0.0
41 26 0.00 0.0
49 21 0.00 0.0
46 20 0.00 0.0
41 23 0.00 0.0
43 21 0.00 0.0
48 28 0.00 0.0
42 35 0.10 0.0
35 28 0.00 0.0
31 27 0.00 0.0
39 25 0.00 0.0
34 20 0.00 0.0
46 25 0.00 0.0
44 22 0.01 0.0
51 37 0.82 0.0
51 28 0.03 0.3
29 22 0.00 0.0
34 18 0.00 0.0
39 28 0.61 0.0
Weather Station Details
Years Station Coordinates
1951–2024 Greater Rockford Airport location
1893–1950 Rockford location