S
M
T
W
T
F
S
26
98°
63°
27
85°
62°
28
89°
57°
29
82°
57°
30
87°
54°
31
93°
53°
1
100°
61°
2
102°
62°
3
92°
52°
4
89°
53°
5
91°
56°
6
95°
60°
7
93°
58°
8
93°
57°
9
91°
55°
10
90°
55°
11
85°
54°
12
84°
55°
13
88°
53°
14
86°
52°
15
89°
56°
16
88°
55°
17
80°
55°
18
82°
54°
19
82°
53°
20
83°
54°
21
81°
51°
22
79°
51°
23
83°
53°
24
86°
53°
25
85°
48°
26
84°
52°
27
86°
52°
28
86°
53°
29
87°
53°
30
86°
52°
31
85°
52°
1
84°
51°
2
84°
51°
3
79°
49°
4
77°
49°
5
81°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Green River
Green River's August 2026 forecast shows daily high temperatures ranging from 77° to 102°, with overnight lows between 48° and 62°. The average high for August is 87° with an average low of 54°. 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 Green River. See also: September | October | November.
