S
M
T
W
T
F
S
26
90°
69°
27
92°
73°
28
95°
76°
29
89°
68°
30
80°
64°
1
67°
55°
2
74°
51°
3
80°
52°
4
83°
60°
5
92°
68°
6
87°
66°
7
74°
63°
8
80°
62°
9
91°
72°
10
91°
67°
11
83°
65°
12
85°
63°
13
88°
63°
14
91°
62°
15
91°
69°
16
90°
67°
17
89°
75°
18
91°
77°
19
90°
67°
20
85°
65°
21
84°
66°
22
89°
66°
23
84°
66°
24
85°
67°
25
86°
68°
26
87°
64°
27
83°
64°
28
92°
69°
29
91°
74°
30
90°
72°
31
91°
74°
1
92°
72°
2
91°
71°
3
91°
72°
4
91°
70°
5
92°
72°
6
94°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rossville
Rossville's May 2026 forecast shows daily high temperatures ranging from 90° to 94°, with overnight lows between 69° and 74°. The average high for May is 92° with an average low of 72°. 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 Rossville. See also: June | July | August.