S
M
T
W
T
F
S
29
67°
28°
30
76°
39°
31
81°
51°
1
86°
53°
2
84°
57°
3
79°
57°
4
85°
56°
5
81°
62°
6
67°
45°
7
70°
43°
8
63°
38°
9
70°
44°
10
77°
47°
11
84°
53°
12
82°
57°
13
82°
56°
14
82°
59°
15
84°
60°
16
81°
58°
17
78°
56°
18
79°
56°
19
80°
58°
20
79°
59°
21
82°
49°
22
78°
55°
23
77°
54°
24
78°
56°
25
80°
56°
26
80°
55°
27
79°
55°
28
73°
51°
29
73°
54°
30
72°
52°
1
75°
57°
2
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Marietta
Marietta's April 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 38° and 60°. The average high for April is 78° 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 Marietta. See also: May | June | July.
