S
M
T
W
T
F
S
26
60°
44°
27
68°
51°
28
64°
50°
29
57°
39°
30
56°
38°
1
47°
35°
2
53°
41°
3
63°
49°
4
74°
50°
5
55°
43°
6
53°
41°
7
52°
41°
8
61°
49°
9
63°
46°
10
62°
49°
11
64°
52°
12
64°
51°
13
63°
49°
14
70°
51°
15
64°
49°
16
64°
48°
17
65°
57°
18
73°
57°
19
67°
56°
20
70°
58°
21
74°
57°
22
70°
58°
23
74°
54°
24
67°
52°
25
67°
54°
26
69°
60°
27
73°
58°
28
69°
56°
29
69°
53°
30
71°
52°
31
70°
52°
1
70°
58°
2
79°
57°
3
70°
56°
4
71°
54°
5
71°
54°
6
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Posen
Posen's May 2026 forecast shows daily high temperatures ranging from 47° to 79°, with overnight lows between 35° and 60°. The average high for May is 66° 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 Posen. See also: June | July | August.
