S
M
T
W
T
F
S
26
71°
38°
27
73°
42°
28
77°
45°
29
69°
43°
30
70°
44°
1
70°
44°
2
72°
45°
3
75°
46°
4
75°
47°
5
76°
46°
6
71°
41°
7
73°
45°
8
74°
40°
9
73°
44°
10
78°
44°
11
82°
48°
12
83°
48°
13
84°
50°
14
84°
51°
15
85°
52°
16
80°
51°
17
84°
51°
18
80°
50°
19
86°
46°
20
87°
49°
21
84°
41°
22
77°
43°
23
79°
45°
24
85°
44°
25
82°
48°
26
83°
46°
27
84°
41°
28
81°
43°
29
81°
48°
30
88°
48°
31
90°
49°
1
92°
49°
2
91°
50°
3
91°
53°
4
93°
56°
5
89°
49°
6
88°
49°
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 69° to 93°, with overnight lows between 38° and 56°. The average high for May is 81° with an average low of 46°. 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.
