S
M
T
W
T
F
S
26
80°
56°
27
84°
60°
28
88°
66°
29
93°
58°
30
92°
59°
31
85°
56°
1
88°
57°
2
84°
54°
3
82°
55°
4
83°
57°
5
84°
60°
6
89°
63°
7
91°
62°
8
91°
56°
9
86°
63°
10
89°
62°
11
91°
64°
12
93°
54°
13
90°
62°
14
89°
64°
15
92°
58°
16
92°
53°
17
81°
55°
18
82°
53°
19
81°
56°
20
84°
51°
21
88°
50°
22
79°
53°
23
80°
52°
24
85°
59°
25
83°
58°
26
88°
56°
27
80°
56°
28
83°
57°
29
83°
54°
30
85°
53°
31
78°
51°
1
76°
48°
2
77°
47°
3
76°
51°
4
77°
57°
5
77°
48°
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 93°, with overnight lows between 47° and 66°. The average high for August is 85° with an average low of 56°. 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.
