S
M
T
W
T
F
S
26
73°
55°
27
78°
52°
28
79°
55°
29
78°
54°
30
77°
49°
31
76°
52°
1
79°
56°
2
79°
56°
3
78°
48°
4
72°
48°
5
70°
46°
6
67°
50°
7
71°
54°
8
68°
54°
9
72°
56°
10
77°
55°
11
78°
54°
12
72°
47°
13
69°
45°
14
68°
46°
15
73°
47°
16
75°
53°
17
76°
54°
18
75°
46°
19
68°
45°
20
67°
44°
21
66°
44°
22
72°
49°
23
74°
52°
24
68°
52°
25
66°
46°
26
65°
42°
27
64°
43°
28
65°
44°
29
66°
51°
30
72°
47°
31
68°
43°
1
67°
44°
2
70°
47°
3
71°
49°
4
71°
50°
5
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Matachewan
Matachewan's August 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 42° and 56°. 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 Matachewan. See also: September | October | November.