S
M
T
W
T
F
S
26
71°
58°
27
74°
56°
28
77°
56°
29
75°
53°
30
74°
51°
31
76°
52°
1
70°
52°
2
69°
51°
3
71°
51°
4
70°
52°
5
72°
55°
6
73°
57°
7
71°
59°
8
73°
60°
9
75°
53°
10
76°
59°
11
77°
53°
12
71°
59°
13
77°
51°
14
71°
51°
15
70°
59°
16
74°
52°
17
70°
49°
18
69°
50°
19
70°
52°
20
72°
51°
21
70°
52°
22
69°
54°
23
71°
55°
24
76°
48°
25
68°
55°
26
67°
52°
27
73°
51°
28
68°
50°
29
68°
52°
30
69°
49°
31
69°
48°
1
68°
51°
2
68°
49°
3
67°
47°
4
66°
52°
5
67°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Germain
St. Germain's August 2026 forecast shows daily high temperatures ranging from 66° to 77°, with overnight lows between 47° and 60°. The average high for August is 71° with an average low of 53°. 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. Germain. See also: September | October | November.
