S
M
T
W
T
F
S
26
81°
60°
27
85°
58°
28
86°
62°
29
87°
63°
30
87°
62°
31
84°
57°
1
82°
62°
2
85°
58°
3
81°
61°
4
84°
62°
5
86°
61°
6
87°
57°
7
77°
54°
8
77°
61°
9
80°
62°
10
79°
62°
11
83°
59°
12
82°
56°
13
80°
55°
14
79°
58°
15
80°
63°
16
82°
59°
17
77°
57°
18
81°
58°
19
82°
60°
20
83°
62°
21
82°
59°
22
80°
57°
23
Hist. Avg.
77°
56°
24
Hist. Avg.
76°
56°
25
Hist. Avg.
76°
56°
26
Hist. Avg.
76°
56°
27
Hist. Avg.
76°
56°
28
Hist. Avg.
75°
55°
29
Hist. Avg.
75°
55°
30
Hist. Avg.
75°
55°
31
Hist. Avg.
74°
55°
1
Hist. Avg.
74°
55°
2
Hist. Avg.
74°
55°
3
Hist. Avg.
74°
54°
4
Hist. Avg.
73°
54°
5
Hist. Avg.
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in St. Polten
St. Polten's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 54° and 63°. The average high for August is 82° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in St. Polten. See also: September | October | November.