S
M
T
W
T
F
S
26
77°
58°
27
72°
57°
28
72°
57°
29
73°
58°
30
79°
59°
31
80°
58°
1
72°
57°
2
74°
56°
3
75°
48°
4
72°
52°
5
73°
54°
6
75°
51°
7
73°
50°
8
74°
49°
9
73°
50°
10
74°
57°
11
73°
56°
12
78°
50°
13
72°
49°
14
72°
49°
15
73°
53°
16
74°
51°
17
72°
48°
18
70°
49°
19
71°
54°
20
72°
56°
21
78°
57°
22
78°
57°
23
77°
58°
24
77°
56°
25
79°
55°
26
70°
52°
27
72°
55°
28
74°
54°
29
76°
49°
30
69°
45°
31
67°
45°
1
66°
46°
2
66°
45°
3
67°
46°
4
68°
45°
5
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Armstrong Creek
Armstrong Creek's August 2026 forecast shows daily high temperatures ranging from 65° to 80°, with overnight lows between 45° and 59°. The average high for August is 73° with an average low of 52°. 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 Armstrong Creek. See also: September | October | November.