S
M
T
W
T
F
S
29
59°
28°
30
70°
47°
31
82°
61°
1
80°
58°
2
58°
42°
3
72°
42°
4
83°
51°
5
61°
49°
6
56°
41°
7
49°
27°
8
53°
29°
9
59°
39°
10
71°
52°
11
65°
39°
12
66°
51°
13
78°
60°
14
81°
59°
15
75°
52°
16
65°
47°
17
66°
50°
18
67°
50°
19
67°
46°
20
64°
43°
21
70°
50°
22
71°
51°
23
72°
50°
24
72°
49°
25
70°
45°
26
62°
46°
27
61°
42°
28
62°
45°
29
62°
41°
30
61°
40°
1
64°
43°
2
64°
43°
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 49° to 81°, with overnight lows between 27° and 60°. The average high for April is 66° with an average low of 46°. 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.
