S
M
T
W
T
F
S
28
99°
62°
29
101°
68°
30
95°
60°
1
94°
67°
2
96°
66°
3
91°
64°
4
88°
62°
5
92°
62°
6
95°
65°
7
96°
69°
8
96°
66°
9
87°
62°
10
85°
63°
11
92°
64°
12
93°
67°
13
98°
68°
14
97°
66°
15
95°
65°
16
94°
67°
17
95°
68°
18
98°
67°
19
96°
65°
20
93°
69°
21
96°
68°
22
94°
68°
23
94°
67°
24
93°
68°
25
94°
67°
26
94°
68°
27
95°
69°
28
95°
69°
29
94°
68°
30
95°
69°
31
95°
69°
1
94°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Colby
Colby's July 2026 forecast shows daily high temperatures ranging from 85° to 98°, with overnight lows between 62° and 69°. The average high for July is 94° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Colby. See also: August | September | October.