S
M
T
W
T
F
S
26
74°
56°
27
75°
55°
28
76°
49°
29
74°
52°
30
73°
53°
31
75°
55°
1
74°
54°
2
75°
56°
3
76°
57°
4
76°
55°
5
75°
56°
6
77°
53°
7
75°
53°
8
75°
54°
9
74°
55°
10
73°
49°
11
75°
46°
12
67°
49°
13
69°
53°
14
75°
47°
15
72°
49°
16
70°
47°
17
71°
50°
18
74°
50°
19
73°
46°
20
70°
46°
21
71°
47°
22
73°
48°
23
73°
52°
24
71°
44°
25
64°
43°
26
63°
43°
27
62°
42°
28
62°
41°
29
63°
42°
30
64°
42°
31
62°
45°
1
66°
49°
2
67°
45°
3
68°
48°
4
69°
41°
5
61°
38°
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 61° to 77°, with overnight lows between 38° and 57°. The average high for August is 71° with an average low of 49°. 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.
