S
M
T
W
T
F
S
26
105°
67°
27
91°
74°
28
98°
66°
29
93°
64°
30
98°
65°
31
93°
61°
1
97°
57°
2
107°
60°
3
104°
59°
4
75°
54°
5
87°
50°
6
100°
55°
7
97°
54°
8
102°
58°
9
95°
62°
10
98°
62°
11
97°
63°
12
94°
60°
13
81°
61°
14
81°
58°
15
80°
57°
16
85°
58°
17
85°
58°
18
86°
57°
19
85°
56°
20
87°
58°
21
86°
56°
22
100°
63°
23
88°
57°
24
88°
58°
25
89°
58°
26
90°
57°
27
88°
56°
28
85°
55°
29
87°
59°
30
84°
55°
31
85°
56°
1
84°
53°
2
84°
54°
3
86°
56°
4
79°
51°
5
81°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Greeley
Greeley's August 2026 forecast shows daily high temperatures ranging from 79° to 100°, with overnight lows between 51° and 63°. The average high for August is 87° with an average low of 57°. 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 Greeley. See also: September | October | November.
