S
M
T
W
T
F
S
29
84°
44°
30
89°
57°
31
88°
61°
1
86°
63°
2
87°
63°
3
83°
58°
4
69°
45°
5
71°
40°
6
72°
41°
7
72°
42°
8
77°
41°
9
81°
60°
10
81°
61°
11
74°
62°
12
81°
63°
13
87°
64°
14
82°
49°
15
80°
50°
16
84°
57°
17
80°
56°
18
77°
58°
19
81°
58°
20
82°
56°
21
82°
54°
22
76°
47°
23
81°
55°
24
80°
53°
25
79°
53°
26
80°
55°
27
80°
55°
28
79°
56°
29
77°
56°
30
78°
55°
1
80°
56°
2
72°
53°
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 72° to 87°, with overnight lows between 47° and 64°. The average high for April is 80° with an average low of 56°. 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.
