S
M
T
W
T
F
S
26
63°
50°
27
68°
46°
28
66°
42°
29
71°
50°
30
70°
47°
1
73°
46°
2
75°
38°
3
82°
42°
4
78°
58°
5
75°
51°
6
65°
47°
7
78°
37°
8
87°
44°
9
84°
55°
10
83°
50°
11
91°
47°
12
98°
50°
13
90°
53°
14
90°
48°
15
90°
51°
16
86°
61°
17
74°
52°
18
60°
42°
19
67°
46°
20
73°
46°
21
82°
46°
22
74°
51°
23
83°
49°
24
90°
56°
25
87°
60°
26
81°
61°
27
87°
60°
28
88°
57°
29
82°
49°
30
85°
51°
31
90°
54°
1
93°
56°
2
93°
59°
3
94°
58°
4
93°
56°
5
91°
57°
6
89°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Green River
Green River's May 2026 forecast shows daily high temperatures ranging from 81° to 94°, with overnight lows between 49° and 61°. The average high for May is 89° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Green River. See also: June | July | August.
