S
M
T
W
T
F
S
26
55°
41°
27
67°
36°
28
56°
47°
29
56°
44°
30
45°
33°
1
47°
29°
2
43°
31°
3
57°
27°
4
69°
40°
5
71°
58°
6
58°
42°
7
57°
32°
8
57°
35°
9
61°
45°
10
61°
40°
11
60°
34°
12
64°
29°
13
65°
44°
14
50°
44°
15
64°
45°
16
77°
61°
17
77°
61°
18
87°
60°
19
83°
60°
20
71°
47°
21
65°
44°
22
67°
46°
23
70°
47°
24
66°
49°
25
72°
50°
26
71°
47°
27
71°
52°
28
72°
53°
29
71°
53°
30
73°
52°
31
68°
49°
1
68°
45°
2
68°
44°
3
67°
44°
4
69°
45°
5
75°
54°
6
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rossiter
Rossiter's May 2026 forecast shows daily high temperatures ranging from 50° to 87°, with overnight lows between 44° and 61°. The average high for May is 71° with an average low of 50°. 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 Rossiter. See also: June | July | August.