S
M
T
W
T
F
S
26
80°
56°
27
80°
56°
28
79°
55°
29
78°
54°
30
75°
53°
31
72°
51°
1
74°
54°
2
77°
54°
3
74°
53°
4
73°
51°
5
75°
53°
6
79°
55°
7
78°
54°
8
75°
52°
9
71°
50°
10
73°
51°
11
76°
53°
12
77°
54°
13
77°
53°
14
70°
51°
15
69°
48°
16
69°
49°
17
76°
53°
18
78°
54°
19
77°
53°
20
78°
54°
21
68°
42°
22
70°
44°
23
69°
44°
24
70°
43°
25
66°
41°
26
68°
42°
27
66°
42°
28
67°
43°
29
66°
41°
30
70°
48°
31
74°
50°
1
66°
47°
2
71°
50°
3
75°
48°
4
73°
42°
5
68°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Brimson
Brimson's August 2026 forecast shows daily high temperatures ranging from 66° to 80°, with overnight lows between 40° and 56°. The average high for August is 73° with an average low of 50°. 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 Brimson. See also: September | October | November.