S
M
T
W
T
F
S
27
72°
61°
28
73°
59°
29
72°
57°
30
77°
63°
31
72°
59°
1
75°
59°
2
73°
54°
3
75°
52°
4
79°
57°
5
75°
59°
6
79°
55°
7
81°
52°
8
81°
63°
9
81°
61°
10
86°
55°
11
97°
64°
12
77°
64°
13
73°
63°
14
84°
59°
15
93°
66°
16
90°
72°
17
86°
66°
18
82°
66°
19
73°
66°
20
75°
64°
21
77°
59°
22
77°
55°
23
79°
55°
24
84°
55°
25
86°
63°
26
75°
63°
27
72°
59°
28
72°
54°
29
72°
61°
30
72°
57°
31
70°
59°
1
70°
59°
2
70°
59°
3
70°
61°
4
70°
57°
5
72°
50°
6
82°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Saint-Nazaire
Saint-Nazaire's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Saint-Nazaire. See also: September | October | November.
