S
M
T
W
T
F
S
26
69°
54°
27
73°
53°
28
71°
52°
29
75°
54°
30
78°
55°
31
78°
55°
1
76°
54°
2
70°
54°
3
75°
53°
4
72°
53°
5
78°
54°
6
78°
55°
7
78°
50°
8
71°
49°
9
78°
49°
10
70°
47°
11
69°
44°
12
70°
49°
13
75°
44°
14
68°
42°
15
66°
51°
16
68°
52°
17
76°
42°
18
69°
49°
19
67°
46°
20
69°
48°
21
73°
45°
22
67°
49°
23
70°
50°
24
75°
53°
25
76°
46°
26
73°
40°
27
70°
42°
28
72°
41°
29
70°
43°
30
71°
46°
31
72°
48°
1
71°
47°
2
72°
47°
3
72°
46°
4
71°
48°
5
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fort MacKay
Fort MacKay's August 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 40° and 55°. The average high for August is 72° with an average low of 49°. 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 Fort MacKay. See also: September | October | November.
