S
M
T
W
T
F
S
26
78°
58°
27
80°
60°
28
79°
56°
29
79°
57°
30
82°
60°
31
80°
52°
1
80°
59°
2
83°
60°
3
80°
53°
4
83°
52°
5
78°
53°
6
78°
53°
7
83°
52°
8
78°
53°
9
80°
58°
10
83°
58°
11
81°
55°
12
83°
57°
13
83°
59°
14
82°
60°
15
79°
59°
16
83°
51°
17
81°
50°
18
75°
50°
19
75°
51°
20
74°
53°
21
75°
50°
22
74°
56°
23
76°
57°
24
81°
58°
25
83°
56°
26
83°
47°
27
77°
48°
28
72°
47°
29
72°
48°
30
73°
53°
31
75°
56°
1
80°
56°
2
80°
53°
3
79°
49°
4
78°
54°
5
78°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Claremont
Claremont's August 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 47° and 60°. The average high for August is 79° with an average low of 54°. 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 Claremont. See also: September | October | November.