S
M
T
W
T
F
S
26
74°
55°
27
78°
55°
28
77°
52°
29
75°
50°
30
76°
53°
31
74°
51°
1
72°
53°
2
74°
52°
3
75°
51°
4
78°
55°
5
79°
54°
6
78°
57°
7
79°
55°
8
78°
49°
9
75°
46°
10
69°
45°
11
67°
45°
12
66°
43°
13
68°
44°
14
70°
45°
15
73°
50°
16
75°
53°
17
76°
54°
18
76°
53°
19
74°
53°
20
73°
52°
21
75°
50°
22
70°
48°
23
67°
46°
24
66°
49°
25
67°
51°
26
65°
50°
27
65°
46°
28
67°
45°
29
65°
47°
30
65°
46°
31
67°
50°
1
72°
49°
2
71°
49°
3
71°
48°
4
72°
49°
5
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dalmuir
Dalmuir's August 2026 forecast shows daily high temperatures ranging from 65° to 79°, with overnight lows between 43° and 57°. The average high for August is 72° with an average low of 50°. 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 Dalmuir. See also: September | October | November.