S
M
T
W
T
F
S
26
76°
42°
27
74°
55°
28
64°
49°
29
61°
39°
30
58°
34°
1
56°
34°
2
60°
34°
3
73°
47°
4
83°
40°
5
56°
46°
6
57°
35°
7
65°
29°
8
69°
44°
9
76°
41°
10
68°
42°
11
69°
48°
12
77°
48°
13
66°
43°
14
69°
54°
15
77°
56°
16
79°
58°
17
77°
57°
18
80°
59°
19
76°
56°
20
77°
60°
21
79°
61°
22
74°
54°
23
75°
58°
24
78°
60°
25
79°
61°
26
80°
62°
27
80°
62°
28
79°
61°
29
80°
61°
30
77°
60°
31
74°
57°
1
73°
57°
2
71°
62°
3
78°
63°
4
78°
63°
5
79°
62°
6
79°
61°
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 66° to 80°, with overnight lows between 41° and 63°. The average high for May is 76° 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 May weather will actually feel in Green River. See also: June | July | August.
