S
M
T
W
T
F
S
26
65°
45°
27
66°
39°
28
67°
42°
29
62°
41°
30
59°
34°
1
68°
38°
2
75°
43°
3
80°
49°
4
82°
51°
5
82°
53°
6
80°
54°
7
71°
48°
8
71°
49°
9
73°
50°
10
79°
54°
11
72°
52°
12
61°
47°
13
62°
44°
14
64°
46°
15
65°
48°
16
70°
49°
17
69°
50°
18
67°
51°
19
71°
49°
20
75°
51°
21
73°
48°
22
75°
51°
23
77°
54°
24
75°
55°
25
77°
55°
26
78°
54°
27
78°
55°
28
77°
56°
29
78°
56°
30
78°
55°
31
78°
56°
1
79°
56°
2
78°
57°
3
79°
57°
4
80°
58°
5
80°
58°
6
79°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Polten
St. Polten's May 2026 forecast shows daily high temperatures ranging from 61° to 80°, with overnight lows between 44° and 58°. The average high for May is 74° with an average low of 53°. 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 St. Polten. See also: June | July | August.
