S
M
T
W
T
F
S
26
85°
57°
27
81°
51°
28
82°
52°
29
82°
52°
30
81°
51°
31
81°
51°
1
82°
52°
2
82°
53°
3
88°
52°
4
89°
56°
5
90°
57°
6
91°
58°
7
90°
54°
8
82°
53°
9
88°
55°
10
87°
51°
11
87°
51°
12
84°
53°
13
82°
51°
14
82°
51°
15
81°
50°
16
80°
51°
17
81°
50°
18
79°
50°
19
79°
53°
20
80°
50°
21
80°
49°
22
81°
53°
23
79°
51°
24
80°
47°
25
81°
48°
26
80°
49°
27
79°
48°
28
83°
50°
29
82°
50°
30
83°
51°
31
83°
52°
1
82°
50°
2
78°
46°
3
75°
47°
4
76°
47°
5
76°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Colby
Colby's August 2026 forecast shows daily high temperatures ranging from 75° to 91°, with overnight lows between 46° and 58°. The average high for August is 82° with an average low of 51°. 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 Colby. See also: September | October | November.
