S
M
T
W
T
F
S
26
37°
32°
27
45°
32°
28
50°
36°
29
60°
41°
30
65°
47°
1
67°
49°
2
63°
51°
3
58°
43°
4
43°
37°
5
46°
37°
6
65°
41°
7
67°
53°
8
69°
52°
9
73°
56°
10
73°
56°
11
77°
58°
12
74°
56°
13
64°
51°
14
68°
52°
15
66°
51°
16
60°
48°
17
51°
44°
18
62°
41°
19
67°
44°
20
72°
50°
21
75°
52°
22
75°
54°
23
72°
43°
24
71°
42°
25
70°
43°
26
73°
44°
27
64°
39°
28
62°
38°
29
64°
39°
30
67°
41°
31
65°
39°
1
68°
43°
2
70°
44°
3
70°
44°
4
69°
43°
5
70°
44°
6
71°
44°
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 62° to 75°, with overnight lows between 38° and 54°. The average high for May is 69° with an average low of 44°. 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.
