S
M
T
W
T
F
S
26
63°
38°
27
71°
42°
28
72°
52°
29
69°
46°
30
N/A
1
51°
38°
2
48°
34°
3
49°
37°
4
58°
51°
5
66°
46°
6
52°
39°
7
53°
36°
8
46°
35°
9
52°
41°
10
56°
43°
11
54°
44°
12
58°
43°
13
57°
46°
14
56°
42°
15
62°
38°
16
61°
37°
17
61°
37°
18
63°
46°
19
64°
46°
20
70°
45°
21
72°
47°
22
68°
42°
23
62°
43°
24
63°
42°
25
63°
40°
26
64°
40°
27
64°
45°
28
63°
46°
29
69°
49°
30
70°
46°
31
71°
42°
1
65°
42°
2
65°
43°
3
66°
42°
4
64°
44°
5
65°
43°
6
67°
47°
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 46° to 72°, with overnight lows between 34° and 51°. The average high for May is 61° with an average low of 42°. 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.