S
M
T
W
T
F
S
29
81°
55°
30
85°
80°
31
87°
65°
1
87°
70°
2
84°
71°
3
87°
71°
4
82°
67°
5
69°
57°
6
74°
53°
7
77°
45°
8
81°
51°
9
83°
60°
10
83°
60°
11
84°
65°
12
82°
67°
13
85°
68°
14
85°
67°
15
87°
67°
16
85°
69°
17
87°
67°
18
84°
51°
19
74°
51°
20
76°
55°
21
77°
58°
22
82°
62°
23
84°
68°
24
83°
67°
25
84°
62°
26
78°
57°
27
78°
57°
28
79°
60°
29
80°
62°
30
83°
61°
1
84°
62°
2
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Fort Johnson
Fort Johnson's April 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 51° and 69°. The average high for April is 81° with an average low of 61°. 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 Fort Johnson. See also: May | June | July.