S
M
T
W
T
F
S
26
55°
35°
27
59°
34°
28
62°
39°
29
66°
37°
30
71°
37°
1
76°
43°
2
80°
45°
3
81°
44°
4
78°
43°
5
72°
45°
6
81°
50°
7
77°
48°
8
74°
46°
9
75°
49°
10
81°
49°
11
73°
48°
12
74°
47°
13
73°
48°
14
67°
42°
15
68°
43°
16
69°
44°
17
67°
47°
18
64°
46°
19
65°
47°
20
63°
47°
21
65°
46°
22
63°
42°
23
63°
42°
24
68°
46°
25
71°
44°
26
73°
49°
27
74°
51°
28
73°
50°
29
71°
48°
30
74°
51°
31
67°
51°
1
69°
49°
2
70°
49°
3
74°
51°
4
71°
50°
5
72°
49°
6
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Plummer
Plummer's May 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 42° and 52°. The average high for May is 72° with an average low of 47°. 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 Plummer. See also: June | July | August.
