S
M
T
W
T
F
S
26
82°
54°
27
84°
64°
28
81°
67°
29
84°
70°
30
76°
68°
31
88°
71°
1
85°
72°
2
84°
73°
3
82°
70°
4
81°
65°
5
81°
68°
6
94°
79°
7
94°
75°
8
93°
74°
9
90°
73°
10
93°
75°
11
90°
71°
12
85°
73°
13
89°
69°
14
84°
65°
15
83°
63°
16
81°
66°
17
82°
64°
18
80°
63°
19
79°
65°
20
82°
65°
21
81°
66°
22
82°
64°
23
84°
68°
24
77°
63°
25
80°
66°
26
83°
66°
27
84°
68°
28
84°
67°
29
83°
62°
30
76°
60°
31
76°
61°
1
77°
63°
2
76°
62°
3
76°
62°
4
75°
65°
5
76°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Belmar
Belmar's August 2026 forecast shows daily high temperatures ranging from 75° to 93°, with overnight lows between 60° and 75°. The average high for August is 82° with an average low of 66°. 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 Belmar. See also: September | October | November.