S
M
T
W
T
F
S
26
64°
50°
27
61°
46°
28
63°
42°
29
60°
41°
30
58°
40°
31
57°
41°
1
57°
41°
2
56°
42°
3
58°
42°
4
59°
47°
5
61°
47°
6
62°
45°
7
66°
47°
8
65°
41°
9
60°
42°
10
59°
43°
11
60°
46°
12
65°
48°
13
66°
48°
14
68°
50°
15
69°
52°
16
69°
52°
17
70°
53°
18
70°
53°
19
71°
52°
20
65°
53°
21
69°
53°
22
70°
54°
23
70°
55°
24
71°
54°
25
71°
53°
26
69°
54°
27
63°
54°
28
70°
53°
29
69°
54°
30
69°
52°
31
68°
46°
1
62°
42°
2
61°
48°
3
64°
50°
4
68°
53°
5
69°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Boulogne
Boulogne's August 2026 forecast shows daily high temperatures ranging from 56° to 71°, with overnight lows between 40° and 55°. The average high for August is 65° with an average low of 48°. 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 Boulogne. See also: September | October | November.
