S
M
T
W
T
F
S
26
72°
49°
27
67°
48°
28
71°
51°
29
75°
50°
30
74°
52°
1
70°
53°
2
70°
48°
3
69°
51°
4
71°
48°
5
71°
51°
6
78°
57°
7
78°
58°
8
77°
58°
9
80°
57°
10
80°
54°
11
73°
50°
12
74°
49°
13
72°
49°
14
71°
58°
15
73°
57°
16
74°
53°
17
81°
60°
18
81°
55°
19
74°
53°
20
73°
60°
21
75°
62°
22
77°
62°
23
82°
63°
24
80°
62°
25
81°
63°
26
83°
64°
27
83°
62°
28
81°
59°
29
87°
64°
30
88°
63°
31
86°
60°
1
87°
59°
2
86°
58°
3
82°
59°
4
79°
61°
5
80°
64°
6
81°
65°
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 67° to 88°, with overnight lows between 48° and 65°. The average high for May is 77° with an average low of 57°. 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.
