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°
60°
18
87°
50°
19
68°
45°
20
76°
46°
21
80°
50°
22
83°
53°
23
84°
57°
24
86°
63°
25
78°
57°
26
74°
55°
27
71°
52°
28
72°
53°
29
75°
54°
30
74°
55°
1
72°
53°
2
72°
51°
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 68° to 88°, with overnight lows between 45° and 63°. The average high for April is 78° with an average low of 53°. 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.
