S
M
T
W
T
F
S
26
86°
67°
27
84°
66°
28
81°
67°
29
86°
68°
30
86°
66°
31
82°
63°
1
78°
62°
2
85°
67°
3
75°
56°
4
76°
65°
5
80°
62°
6
78°
58°
7
83°
59°
8
85°
61°
9
83°
65°
10
85°
63°
11
84°
59°
12
78°
55°
13
75°
55°
14
77°
62°
15
78°
61°
16
76°
58°
17
74°
55°
18
77°
60°
19
79°
63°
20
81°
65°
21
84°
66°
22
83°
66°
23
84°
62°
24
85°
55°
25
79°
55°
26
80°
54°
27
75°
61°
28
82°
54°
29
75°
53°
30
74°
51°
31
73°
58°
1
74°
51°
2
77°
55°
3
75°
52°
4
70°
49°
5
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dumont
Dumont's August 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 49° and 68°. The average high for August is 79° with an average low of 60°. 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 Dumont. See also: September | October | November.