S
M
T
W
T
F
S
26
69°
30°
27
70°
32°
28
67°
37°
29
72°
41°
30
76°
39°
1
79°
37°
2
84°
53°
3
86°
45°
4
89°
47°
5
86°
53°
6
89°
47°
7
79°
50°
8
77°
44°
9
77°
40°
10
80°
42°
11
77°
45°
12
84°
42°
13
70°
49°
14
65°
45°
15
63°
36°
16
65°
34°
17
72°
42°
18
72°
45°
19
75°
40°
20
77°
42°
21
78°
48°
22
84°
45°
23
86°
47°
24
86°
48°
25
77°
46°
26
68°
51°
27
83°
57°
28
90°
60°
29
79°
46°
30
73°
44°
31
72°
44°
1
82°
53°
2
85°
56°
3
88°
59°
4
85°
54°
5
80°
53°
6
80°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Summitview
Summitview's May 2026 forecast shows daily high temperatures ranging from 68° to 90°, with overnight lows between 44° and 60°. The average high for May is 80° with an average low of 52°. 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 Summitview. See also: June | July | August.