S
M
T
W
T
F
S
26
50°
33°
27
52°
33°
28
52°
35°
29
53°
36°
30
54°
36°
1
55°
37°
2
54°
38°
3
55°
35°
4
63°
43°
5
65°
36°
6
56°
35°
7
56°
37°
8
65°
46°
9
68°
45°
10
67°
41°
11
58°
38°
12
58°
39°
13
66°
45°
14
66°
44°
15
59°
46°
16
60°
47°
17
61°
46°
18
67°
39°
19
69°
44°
20
68°
41°
21
67°
44°
22
66°
42°
23
63°
44°
24
64°
42°
25
68°
45°
26
69°
44°
27
71°
45°
28
69°
45°
29
66°
46°
30
73°
50°
31
64°
47°
1
66°
50°
2
69°
51°
3
67°
51°
4
71°
48°
5
74°
51°
6
71°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Franklin
Franklin's May 2026 forecast shows daily high temperatures ranging from 50° to 74°, with overnight lows between 33° and 51°. The average high for May is 63° with an average low of 43°. 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 Franklin. See also: June | July | August.