S
M
T
W
T
F
S
26
64°
45°
27
55°
42°
28
57°
40°
29
53°
32°
30
49°
28°
1
53°
36°
2
63°
31°
3
70°
45°
4
64°
39°
5
50°
34°
6
44°
30°
7
56°
31°
8
70°
31°
9
59°
38°
10
57°
35°
11
65°
32°
12
70°
50°
13
71°
40°
14
76°
48°
15
86°
57°
16
78°
49°
17
64°
52°
18
66°
54°
19
53°
37°
20
61°
43°
21
65°
46°
22
62°
48°
23
61°
53°
24
76°
54°
25
80°
59°
26
79°
58°
27
78°
60°
28
80°
59°
29
81°
59°
30
80°
57°
31
78°
58°
1
74°
51°
2
69°
55°
3
70°
53°
4
72°
54°
5
77°
57°
6
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roberts
Roberts's May 2026 forecast shows daily high temperatures ranging from 53° to 81°, with overnight lows between 37° and 60°. The average high for May is 72° with an average low of 54°. 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 Roberts. See also: June | July | August.