S
M
T
W
T
F
S
26
85°
64°
27
86°
65°
28
85°
65°
29
82°
64°
30
82°
64°
31
85°
66°
1
85°
66°
2
83°
64°
3
86°
65°
4
86°
65°
5
85°
62°
6
78°
63°
7
82°
59°
8
78°
60°
9
77°
58°
10
76°
58°
11
78°
63°
12
84°
64°
13
84°
63°
14
83°
57°
15
77°
57°
16
78°
63°
17
79°
63°
18
77°
57°
19
77°
57°
20
78°
56°
21
79°
57°
22
82°
57°
23
82°
58°
24
81°
58°
25
82°
61°
26
81°
63°
27
82°
61°
28
81°
62°
29
82°
62°
30
82°
55°
31
76°
52°
1
74°
53°
2
73°
53°
3
73°
54°
4
74°
52°
5
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fountain
Fountain's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 52° and 66°. The average high for August is 80° with an average low of 60°. 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 Fountain. See also: September | October | November.