S
M
T
W
T
F
S
26
91°
80°
27
95°
75°
28
83°
68°
29
85°
61°
30
83°
61°
31
69°
67°
1
76°
67°
2
81°
65°
3
82°
60°
4
83°
63°
5
71°
64°
6
81°
67°
7
83°
67°
8
80°
64°
9
79°
63°
10
85°
68°
11
84°
69°
12
84°
72°
13
76°
66°
14
79°
66°
15
76°
66°
16
82°
63°
17
82°
64°
18
79°
62°
19
80°
63°
20
80°
58°
21
83°
62°
22
79°
58°
23
74°
52°
24
78°
54°
25
78°
57°
26
82°
61°
27
80°
59°
28
81°
56°
29
77°
61°
30
78°
67°
31
88°
71°
1
90°
71°
2
90°
71°
3
87°
74°
4
92°
74°
5
81°
69°
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.