S
M
T
W
T
F
S
26
83°
63°
27
82°
62°
28
81°
63°
29
80°
61°
30
78°
57°
31
73°
53°
1
72°
53°
2
72°
55°
3
73°
55°
4
73°
58°
5
75°
59°
6
77°
60°
7
72°
59°
8
75°
56°
9
75°
56°
10
74°
54°
11
75°
51°
12
76°
53°
13
73°
61°
14
82°
56°
15
81°
55°
16
78°
59°
17
78°
58°
18
79°
60°
19
77°
57°
20
77°
50°
21
72°
49°
22
73°
49°
23
74°
50°
24
78°
54°
25
79°
53°
26
79°
55°
27
78°
56°
28
79°
53°
29
78°
54°
30
78°
55°
31
79°
53°
1
77°
46°
2
71°
47°
3
68°
54°
4
74°
53°
5
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Caribou
Caribou's August 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 46° and 63°. The average high for August is 76° with an average low of 55°. 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 Caribou. See also: September | October | November.