S
M
T
W
T
F
S
26
63°
47°
27
65°
45°
28
64°
41°
29
66°
42°
30
63°
44°
1
71°
46°
2
64°
51°
3
66°
50°
4
65°
47°
5
65°
48°
6
66°
47°
7
70°
53°
8
69°
52°
9
65°
46°
10
67°
53°
11
77°
55°
12
75°
46°
13
68°
45°
14
69°
50°
15
71°
56°
16
77°
58°
17
78°
57°
18
78°
48°
19
69°
47°
20
69°
48°
21
72°
58°
22
80°
59°
23
81°
59°
24
81°
60°
25
78°
60°
26
75°
59°
27
73°
60°
28
73°
59°
29
74°
60°
30
76°
57°
31
75°
56°
1
81°
54°
2
77°
53°
3
75°
52°
4
77°
54°
5
77°
57°
6
78°
55°
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 63° to 81°, with overnight lows between 41° and 60°. The average high for May is 72° with an average low of 52°. 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.