S
M
T
W
T
F
S
26
80°
52°
27
81°
61°
28
73°
62°
29
67°
53°
30
64°
45°
1
63°
44°
2
58°
40°
3
68°
35°
4
80°
56°
5
67°
49°
6
62°
46°
7
65°
42°
8
74°
45°
9
78°
54°
10
75°
57°
11
75°
50°
12
80°
46°
13
76°
59°
14
74°
52°
15
80°
47°
16
84°
68°
17
89°
68°
18
84°
71°
19
80°
61°
20
70°
55°
21
69°
56°
22
74°
62°
23
76°
63°
24
80°
62°
25
77°
61°
26
79°
63°
27
79°
60°
28
80°
62°
29
82°
61°
30
80°
59°
31
83°
64°
1
84°
64°
2
84°
63°
3
79°
61°
4
77°
57°
5
77°
59°
6
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort Branch
Fort Branch's May 2026 forecast shows daily high temperatures ranging from 69° to 89°, with overnight lows between 55° and 71°. The average high for May is 79° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Fort Branch. See also: June | July | August.