S
M
T
W
T
F
S
26
87°
64°
27
77°
57°
28
81°
51°
29
90°
64°
30
85°
66°
1
72°
60°
2
64°
54°
3
75°
52°
4
80°
51°
5
85°
55°
6
90°
63°
7
80°
61°
8
77°
63°
9
76°
67°
10
76°
67°
11
82°
59°
12
78°
58°
13
80°
61°
14
85°
62°
15
84°
66°
16
87°
66°
17
84°
67°
18
87°
67°
19
86°
68°
20
85°
66°
21
86°
66°
22
84°
66°
23
83°
65°
24
82°
66°
25
83°
66°
26
84°
67°
27
84°
67°
28
85°
66°
29
83°
67°
30
82°
67°
31
83°
68°
1
84°
68°
2
85°
69°
3
87°
68°
4
88°
69°
5
87°
70°
6
86°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roper
Roper's May 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 58° and 70°. The average high for May is 83° with an average low of 66°. 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 Roper. See also: June | July | August.