S
M
T
W
T
F
S
26
65°
46°
27
64°
43°
28
65°
45°
29
70°
47°
30
73°
48°
31
72°
48°
1
65°
47°
2
65°
40°
3
67°
46°
4
70°
46°
5
72°
47°
6
72°
48°
7
66°
39°
8
72°
42°
9
73°
41°
10
65°
36°
11
63°
39°
12
66°
38°
13
70°
43°
14
72°
45°
15
73°
46°
16
72°
46°
17
71°
43°
18
70°
43°
19
66°
38°
20
65°
38°
21
63°
36°
22
63°
39°
23
68°
41°
24
70°
43°
25
71°
35°
26
61°
35°
27
62°
37°
28
65°
40°
29
69°
39°
30
68°
41°
31
69°
40°
1
68°
39°
2
69°
42°
3
68°
36°
4
67°
42°
5
69°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Foothills
Foothills's August 2026 forecast shows daily high temperatures ranging from 61° to 73°, with overnight lows between 35° and 48°. The average high for August is 68° with an average low of 42°. 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 Foothills. See also: September | October | November.