S
M
T
W
T
F
S
26
86°
57°
27
79°
59°
28
64°
54°
29
84°
63°
30
77°
61°
1
70°
55°
2
72°
46°
3
73°
41°
4
79°
41°
5
82°
46°
6
86°
59°
7
79°
64°
8
72°
57°
9
72°
57°
10
82°
61°
11
84°
61°
12
70°
61°
13
81°
59°
14
79°
55°
15
79°
46°
16
88°
50°
17
91°
64°
18
88°
61°
19
90°
59°
20
89°
66°
21
87°
66°
22
88°
68°
23
84°
69°
24
89°
68°
25
87°
64°
26
88°
63°
27
85°
65°
28
84°
64°
29
83°
62°
30
84°
64°
31
86°
65°
1
85°
63°
2
82°
62°
3
85°
65°
4
86°
64°
5
88°
65°
6
88°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roberta
Roberta's May 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 62° and 69°. The average high for May is 86° with an average low of 65°. 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 Roberta. See also: June | July | August.