S
M
T
W
T
F
S
26
98°
68°
27
94°
72°
28
88°
65°
29
93°
66°
30
91°
69°
31
75°
65°
1
86°
61°
2
83°
58°
3
87°
64°
4
77°
57°
5
81°
48°
6
84°
54°
7
75°
55°
8
84°
48°
9
81°
60°
10
84°
58°
11
86°
62°
12
87°
62°
13
76°
65°
14
83°
59°
15
80°
67°
16
79°
59°
17
85°
53°
18
80°
55°
19
78°
47°
20
79°
52°
21
80°
59°
22
76°
52°
23
75°
47°
24
79°
49°
25
83°
59°
26
78°
53°
27
81°
49°
28
83°
63°
29
81°
66°
30
85°
60°
31
84°
57°
1
77°
55°
2
78°
56°
3
79°
57°
4
76°
58°
5
77°
60°
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 76° to 85°, with overnight lows between 49° and 66°. The average high for August is 80° with an average low of 58°. 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.
