S
M
T
W
T
F
S
26
75°
45°
27
78°
44°
28
78°
45°
29
84°
47°
30
85°
43°
31
77°
45°
1
82°
44°
2
81°
44°
3
77°
43°
4
77°
43°
5
76°
44°
6
79°
44°
7
83°
43°
8
77°
44°
9
77°
41°
10
78°
43°
11
80°
45°
12
83°
44°
13
81°
46°
14
80°
45°
15
81°
45°
16
78°
44°
17
75°
43°
18
76°
39°
19
77°
42°
20
75°
44°
21
79°
42°
22
75°
45°
23
75°
42°
24
74°
42°
25
74°
41°
26
73°
40°
27
75°
37°
28
74°
38°
29
75°
39°
30
76°
39°
31
77°
40°
1
76°
37°
2
75°
36°
3
72°
40°
4
75°
37°
5
76°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Heeney
Heeney's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 36° and 47°. The average high for August is 77° 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 Heeney. See also: September | October | November.