S
M
T
W
T
F
S
26
82°
53°
27
83°
55°
28
84°
57°
29
85°
57°
30
85°
56°
31
84°
57°
1
84°
56°
2
83°
56°
3
84°
55°
4
84°
56°
5
83°
55°
6
84°
56°
7
85°
56°
8
86°
56°
9
86°
57°
10
85°
56°
11
84°
55°
12
83°
55°
13
81°
54°
14
78°
51°
15
78°
53°
16
79°
53°
17
77°
52°
18
75°
50°
19
76°
49°
20
75°
49°
21
82°
54°
22
84°
54°
23
77°
52°
24
83°
53°
25
77°
50°
26
80°
49°
27
80°
48°
28
79°
48°
29
79°
49°
30
77°
48°
31
80°
49°
1
82°
52°
2
81°
51°
3
77°
50°
4
73°
51°
5
78°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Colfax-Monumental Ridge
Colfax-Monumental Ridge's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 48° and 57°. The average high for August is 81° with an average low of 53°. 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 Colfax-Monumental Ridge. See also: September | October | November.