S
M
T
W
T
F
S
26
79°
57°
27
83°
50°
28
81°
53°
29
82°
51°
30
83°
52°
31
90°
51°
1
77°
51°
2
77°
52°
3
89°
61°
4
99°
60°
5
100°
56°
6
92°
57°
7
90°
58°
8
87°
57°
9
85°
58°
10
82°
57°
11
84°
55°
12
83°
56°
13
85°
58°
14
81°
55°
15
82°
55°
16
76°
52°
17
79°
57°
18
81°
56°
19
82°
54°
20
79°
54°
21
77°
57°
22
76°
53°
23
78°
58°
24
75°
51°
25
83°
56°
26
83°
58°
27
82°
58°
28
82°
57°
29
76°
57°
30
74°
50°
31
74°
54°
1
73°
55°
2
73°
51°
3
74°
52°
4
75°
52°
5
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Paul
St. Paul's August 2026 forecast shows daily high temperatures ranging from 72° to 100°, with overnight lows between 50° and 61°. The average high for August is 81° with an average low of 55°. 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. Paul. See also: September | October | November.
