S
M
T
W
T
F
S
26
76°
60°
27
79°
58°
28
74°
63°
29
66°
60°
30
68°
56°
31
79°
55°
1
78°
58°
2
70°
67°
3
73°
56°
4
79°
48°
5
83°
57°
6
82°
65°
7
76°
63°
8
79°
66°
9
78°
63°
10
71°
61°
11
75°
58°
12
75°
54°
13
77°
61°
14
78°
57°
15
77°
53°
16
71°
59°
17
79°
61°
18
74°
53°
19
75°
56°
20
64°
50°
21
72°
47°
22
76°
51°
23
67°
53°
24
61°
49°
25
71°
55°
26
75°
48°
27
77°
60°
28
69°
50°
29
73°
45°
30
73°
61°
31
74°
61°
1
84°
67°
2
81°
62°
3
81°
64°
4
74°
62°
5
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Belmont
Belmont's August 2026 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 Belmont. See also: September | October | November.