S
M
T
W
T
F
S
29
70°
36°
30
73°
60°
31
83°
61°
1
81°
60°
2
85°
60°
3
84°
62°
4
86°
59°
5
68°
53°
6
70°
48°
7
72°
43°
8
72°
45°
9
75°
46°
10
80°
42°
11
86°
48°
12
86°
52°
13
83°
58°
14
86°
56°
15
86°
53°
16
86°
57°
17
88°
57°
18
86°
55°
19
67°
48°
20
77°
41°
21
80°
46°
22
83°
48°
23
83°
50°
24
82°
53°
25
76°
63°
26
82°
59°
27
80°
60°
28
77°
63°
29
79°
52°
30
73°
49°
1
67°
51°
2
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Chattanooga
Chattanooga's April 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 46° and 63°. The average high for April is 75° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Chattanooga. See also: May | June | July.
