S
M
T
W
T
F
S
26
71°
55°
27
72°
49°
28
71°
54°
29
68°
54°
30
72°
55°
1
70°
54°
2
72°
56°
3
75°
57°
4
75°
50°
5
67°
47°
6
64°
47°
7
66°
48°
8
68°
53°
9
73°
50°
10
66°
49°
11
67°
49°
12
70°
56°
13
77°
59°
14
77°
59°
15
78°
58°
16
77°
60°
17
77°
60°
18
79°
61°
19
79°
61°
20
78°
60°
21
75°
59°
22
70°
55°
23
71°
54°
24
72°
57°
25
78°
61°
26
79°
59°
27
73°
57°
28
75°
62°
29
79°
63°
30
80°
59°
31
80°
58°
1
79°
56°
2
77°
57°
3
75°
56°
4
74°
57°
5
74°
58°
6
75°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Summertown
Summertown's May 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 47° and 63°. The average high for May is 74° with an average low of 56°. 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 Summertown. See also: June | July | August.
