S
M
T
W
T
F
S
26
112°
70°
27
105°
70°
28
93°
69°
29
93°
67°
30
100°
68°
31
91°
65°
1
93°
58°
2
101°
57°
3
105°
65°
4
72°
57°
5
80°
55°
6
92°
57°
7
96°
61°
8
109°
62°
9
102°
64°
10
102°
74°
11
107°
64°
12
98°
65°
13
87°
65°
14
91°
65°
15
88°
66°
16
83°
62°
17
85°
63°
18
92°
63°
19
93°
62°
20
92°
61°
21
93°
64°
22
89°
62°
23
84°
60°
24
88°
59°
25
90°
58°
26
91°
65°
27
91°
64°
28
91°
64°
29
90°
65°
30
92°
65°
31
92°
64°
1
91°
64°
2
91°
63°
3
90°
64°
4
91°
64°
5
91°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Francis
St. Francis's August 2026 forecast shows daily high temperatures ranging from 83° to 98°, with overnight lows between 58° and 66°. The average high for August is 90° 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. Francis. See also: September | October | November.
