S
M
T
W
T
F
S
26
109°
70°
27
106°
71°
28
95°
71°
29
94°
71°
30
99°
70°
31
93°
62°
1
93°
60°
2
100°
55°
3
104°
69°
4
76°
59°
5
78°
55°
6
89°
62°
7
97°
62°
8
107°
64°
9
106°
63°
10
103°
72°
11
106°
65°
12
103°
68°
13
93°
64°
14
87°
64°
15
86°
65°
16
86°
66°
17
92°
65°
18
92°
67°
19
93°
66°
20
94°
65°
21
93°
64°
22
89°
65°
23
90°
65°
24
97°
67°
25
92°
63°
26
86°
61°
27
85°
65°
28
93°
65°
29
94°
64°
30
97°
63°
31
91°
62°
1
92°
62°
2
93°
60°
3
85°
59°
4
84°
57°
5
74°
57°
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 74° to 97°, with overnight lows between 57° and 67°. The average high for August is 90° with an average low of 62°. 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.
