Chattanooga Weather in 2021

Historical record of Chattanooga, Tennessee weather for the year 2021 based on NOAA data.
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2021 Chattanooga Weather Extremes
Highest temperature 97 °F August 25
Lowest temperature 21 °F February 17
Highest daily low 77 °F July 30
Lowest daily high 37 °F February 16
Most daily precipitation 2.8 inches March 17
Most daily snow none -
Total annual precipitation 62.8 inches -
Total annual snow none -
Highest Temperatures in Chattanooga in 2021
Rank Temperature Date
1 97 °F Aug 25
2 96 °F Jul 30
3 95 °F Aug 24
3 95 °F Jul 29
3 95 °F Jun 14
6 94 °F Aug 14
6 94 °F Jul 28
6 94 °F Jul 24
6 94 °F Jun 13
6 94 °F Jun 12
Lowest Temperatures in Chattanooga in 2021
Rank Temperature Date
1 21 °F February 17
1 21 °F February 16
3 24 °F February 20
4 25 °F January 13
5 26 °F February 6
5 26 °F February 4
7 27 °F November 24
7 27 °F February 21
7 27 °F February 8
7 27 °F January 14
January 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
69 52 0.66
64 45 0.00
53 34 0.00
57 29 0.00
57 33 0.00
50 31 0.00
43 36 0.34
40 37 0.06
37 33 0.00
48 30 0.00
41 38 0.17
49 32 0.00
46 25 0.00
54 27 0.00
54 39 0.00
44 36 0.00
53 39 0.00
54 33 0.00
56 36 0.00
55 36 0.00
50 41 0.34
57 37 0.00
52 34 0.00
58 32 0.01
59 48 0.96
69 53 0.10
62 39 0.01
44 32 0.00
49 28 0.00
53 28 0.01
57 41 0.42
February 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
42 36 0.00
45 31 0.00
49 29 0.00
53 26 0.10
53 32 0.10
49 26 0.07
47 32 0.33
60 27 0.00
66 40 0.00
72 38 0.00
56 45 0.55
45 39 0.02
47 39 0.24
41 38 0.00
47 37 0.75
37 21 0.00
45 21 0.26
45 34 1.12
48 31 0.00
51 24 0.00
60 27 0.00
62 42 0.39
71 33 0.00
73 36 0.00
72 50 0.00
54 44 1.24
68 52 0.00
77 60 0.00
March 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
71 45 1.03
55 41 0.00
67 38 0.00
71 37 0.00
57 43 0.00
59 41 0.00
64 31 0.00
70 31 0.00
72 34 0.00
74 37 0.00
74 45 0.00
81 49 0.00
69 58 0.06
74 54 0.00
69 56 0.15
56 52 2.17
61 53 2.77
70 47 0.44
57 46 0.00
64 42 0.00
68 38 0.00
73 44 0.00
63 56 0.08
78 54 0.00
70 57 2.61
81 56 0.00
73 56 0.44
71 49 0.55
68 39 0.00
77 41 0.00
67 42 1.76
April 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
52 38 0.00
55 33 0.00
66 31 0.00
75 37 0.00
80 43 0.00
82 48 0.00
82 52 0.00
80 62 0.18
83 54 0.00
74 61 0.14
75 55 0.00
84 48 0.00
83 51 0.00
79 53 0.01
71 49 0.00
67 46 0.00
71 52 0.00
71 46 0.00
71 48 0.00
76 46 0.00
58 39 0.00
65 33 0.00
68 43 0.00
62 50 1.17
70 51 0.00
81 45 0.00
84 55 0.00
86 64 0.00
81 62 0.12
79 58 0.00
May 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
80 50 0.00
77 51 0.01
85 67 0.20
73 64 1.41
74 52 0.00
75 48 0.00
71 51 0.00
72 48 0.00
84 50 0.91
76 58 0.01
71 54 0.00
69 55 0.05
73 49 0.00
76 47 0.00
78 50 0.00
80 58 0.00
80 56 0.00
78 66 0.00
84 67 0.00
84 63 0.00
87 58 0.00
88 60 0.00
91 64 0.00
93 63 0.00
93 65 0.00
91 67 0.00
88 69 0.00
87 70 0.03
74 57 0.00
74 56 0.00
83 52 0.00
June 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
83 61 0.00
79 67 0.83
75 66 1.66
88 63 0.00
88 67 0.01
82 71 0.59
88 71 0.19
88 73 0.00
84 71 0.05
83 73 0.09
88 72 0.00
94 71 0.03
94 67 0.01
95 74 0.00
88 69 0.00
87 63 0.00
89 62 0.00
93 65 0.00
84 69 0.48
91 70 0.07
93 73 0.81
82 64 0.30
86 60 0.00
86 65 0.00
87 70 0.00
86 68 0.07
90 72 0.00
92 73 0.00
90 74 0.00
92 73 0.00
July 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
87 73 0.01
89 73 0.29
83 64 0.00
89 63 0.00
92 67 0.00
91 69 0.00
84 73 0.08
89 71 0.00
85 72 0.91
91 72 0.02
90 73 0.46
85 72 0.31
85 70 0.18
89 69 0.02
91 69 0.00
87 71 0.00
88 72 0.08
83 71 0.60
82 71 1.20
84 71 0.49
89 72 0.00
91 69 0.00
92 69 0.00
94 72 0.00
91 74 0.00
92 74 0.06
93 73 0.00
94 74 0.00
95 71 0.00
96 77 0.00
93 76 0.00
August 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
89 72 0.00
87 67 0.00
88 69 0.00
84 70 1.26
89 66 0.00
88 69 0.00
86 72 0.00
89 67 0.00
91 72 0.00
93 72 1.12
90 73 0.00
91 70 0.00
91 73 0.00
94 72 0.00
88 71 2.29
90 70 1.34
81 71 1.11
90 68 0.30
82 72 0.39
87 73 0.01
84 73 0.62
88 74 0.06
92 70 0.00
95 70 0.00
97 73 0.00
91 73 0.00
92 73 0.00
92 74 0.00
91 74 0.00
88 71 0.80
79 71 2.18
September 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
86 72 0.00
83 66 0.00
85 64 0.00
86 64 0.00
86 62 0.07
86 66 1.18
86 62 0.00
90 72 0.00
83 64 0.00
82 58 0.00
84 59 0.00
85 63 0.00
90 65 0.00
90 67 0.00
80 69 0.03
80 69 0.16
82 69 0.00
81 72 0.86
76 71 2.26
74 69 1.57
84 69 0.03
74 56 0.51
73 53 0.00
74 48 0.00
79 50 0.00
80 56 0.00
82 57 0.00
85 58 0.00
86 62 0.00
83 62 0.00
October 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
85 66 0.00
80 64 0.00
74 69 0.54
85 68 0.12
74 68 0.15
79 69 0.85
82 69 1.01
83 65 0.00
83 63 0.00
83 63 0.00
80 62 0.00
73 65 0.00
83 63 0.00
83 65 0.00
84 61 0.28
71 50 0.23
69 47 0.00
73 44 0.00
74 46 0.00
77 48 0.00
78 57 1.00
68 50 0.00
72 47 0.00
75 49 0.00
77 55 0.01
62 48 0.00
67 44 0.00
61 50 0.34
56 51 0.17
58 51 0.02
64 46 0.00
November 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
68 43 0.00
62 44 0.00
51 45 0.00
49 43 0.10
53 39 0.00
63 38 0.00
67 34 0.00
71 36 0.00
75 37 0.00
75 42 0.00
71 45 0.25
66 40 0.00
54 35 0.00
61 31 0.00
59 35 0.00
71 38 0.00
70 49 0.00
67 38 0.00
54 34 0.00
59 29 0.00
59 34 0.25
55 35 0.10
50 28 0.00
59 27 0.00
64 32 0.08
51 34 0.00
58 28 0.00
62 33 0.00
50 32 0.00
66 29 0.00
December 2021 Chattanooga Weather
Day High (°F) Low (°F) Precip. (inches)
67 35 0.00
73 40 0.00
75 40 0.00
70 45 0.00
61 50 0.16
63 39 0.41
45 33 0.00
58 36 0.00
59 31 0.00
58 49 0.02
71 43 0.64
52 33 0.00
61 29 0.00
63 30 0.00
61 34 0.00
71 45 0.09
67 55 0.40
73 55 0.61
55 38 0.05
51 36 0.00
47 38 0.02
52 31 0.00
59 28 0.00
62 33 0.00
68 60 0.00
75 48 0.00
70 51 0.00
72 58 0.01
71 59 1.84
70 54 0.01
67 53 0.46
Weather Station Details
Years Station Coordinates
1940–2024 Chattanooga Lovell Airport location
1879–1939 Chattanooga location