S
M
T
W
T
F
S
26
103°
73°
27
97°
72°
28
91°
70°
29
86°
70°
30
87°
68°
31
84°
65°
1
85°
60°
2
86°
61°
3
88°
66°
4
77°
58°
5
77°
59°
6
78°
61°
7
88°
65°
8
86°
63°
9
86°
65°
10
89°
69°
11
92°
73°
12
86°
67°
13
84°
68°
14
83°
66°
15
84°
66°
16
83°
63°
17
85°
66°
18
83°
63°
19
79°
63°
20
81°
63°
21
87°
62°
22
84°
63°
23
83°
64°
24
89°
64°
25
90°
65°
26
86°
63°
27
84°
64°
28
85°
61°
29
90°
68°
30
91°
68°
31
84°
65°
1
78°
62°
2
77°
56°
3
77°
54°
4
78°
61°
5
83°
64°
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 77° to 91°, with overnight lows between 54° and 68°. The average high for August is 84° with an average low of 63°. 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.
