S
M
T
W
T
F
S
26
88°
69°
27
90°
70°
28
87°
69°
29
92°
70°
30
92°
70°
31
89°
69°
1
89°
70°
2
91°
70°
3
84°
61°
4
84°
66°
5
85°
60°
6
90°
62°
7
89°
60°
8
84°
59°
9
83°
65°
10
85°
62°
11
88°
60°
12
84°
58°
13
82°
59°
14
82°
61°
15
83°
62°
16
82°
58°
17
82°
57°
18
83°
59°
19
83°
61°
20
84°
67°
21
86°
68°
22
90°
67°
23
91°
66°
24
90°
58°
25
84°
58°
26
81°
57°
27
81°
57°
28
82°
59°
29
85°
56°
30
81°
61°
31
81°
62°
1
82°
64°
2
82°
64°
3
83°
56°
4
82°
54°
5
80°
53°
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 80° to 92°, with overnight lows between 53° and 70°. The average high for August is 85° with an average low of 62°. 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.
