S
M
T
W
T
F
S
26
81°
63°
27
86°
73°
28
82°
70°
29
71°
61°
30
67°
55°
1
68°
53°
2
74°
48°
3
80°
45°
4
79°
62°
5
81°
65°
6
68°
53°
7
65°
52°
8
77°
57°
9
84°
60°
10
85°
59°
11
76°
51°
12
79°
56°
13
86°
63°
14
87°
59°
15
86°
61°
16
87°
64°
17
82°
59°
18
77°
63°
19
81°
63°
20
81°
62°
21
83°
57°
22
78°
56°
23
78°
57°
24
79°
58°
25
77°
58°
26
77°
57°
27
78°
58°
28
79°
58°
29
80°
62°
30
81°
65°
31
79°
66°
1
81°
66°
2
82°
63°
3
83°
67°
4
84°
67°
5
82°
68°
6
82°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rolla
Rolla's May 2026 forecast shows daily high temperatures ranging from 65° to 87°, with overnight lows between 51° and 68°. The average high for May is 80° with an average low of 61°. 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 Rolla. See also: June | July | August.