S
M
T
W
T
F
S
26
77°
59°
27
77°
58°
28
78°
59°
29
77°
59°
30
78°
60°
31
78°
60°
1
79°
59°
2
78°
59°
3
77°
58°
4
76°
59°
5
77°
59°
6
75°
58°
7
75°
58°
8
73°
57°
9
73°
59°
10
74°
59°
11
75°
58°
12
78°
59°
13
75°
59°
14
78°
58°
15
79°
57°
16
78°
55°
17
77°
59°
18
74°
58°
19
79°
57°
20
77°
56°
21
76°
52°
22
73°
50°
23
73°
50°
24
71°
51°
25
75°
51°
26
73°
48°
27
70°
49°
28
69°
48°
29
68°
48°
30
68°
49°
31
69°
47°
1
67°
46°
2
66°
45°
3
67°
46°
4
68°
48°
5
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dieppe
Dieppe's August 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 45° and 60°. The average high for August is 74° with an average low of 55°. 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 Dieppe. See also: September | October | November.
