S
M
T
W
T
F
S
26
49°
40°
27
64°
38°
28
58°
46°
29
55°
47°
30
47°
35°
1
53°
34°
2
44°
32°
3
53°
29°
4
68°
43°
5
72°
55°
6
63°
43°
7
56°
36°
8
57°
38°
9
61°
45°
10
58°
43°
11
57°
39°
12
65°
37°
13
64°
43°
14
44°
40°
15
61°
41°
16
71°
47°
17
79°
59°
18
85°
64°
19
77°
67°
20
73°
52°
21
55°
49°
22
55°
49°
23
48°
44°
24
67°
58°
25
71°
61°
26
74°
59°
27
75°
58°
28
74°
51°
29
69°
51°
30
65°
52°
31
67°
52°
1
69°
54°
2
70°
54°
3
69°
53°
4
71°
55°
5
70°
63°
6
68°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Summerhill
Summerhill's May 2026 forecast shows daily high temperatures ranging from 48° to 75°, with overnight lows between 44° and 63°. The average high for May is 68° with an average low of 55°. 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 Summerhill. See also: June | July | August.